Vulnerability-Lookup

alsa-2026:6188

Vulnerability from osv_almalinux

Published

2026-03-30 00:00

Modified

2026-04-02 08:18

Summary

Important: thunderbird security update

Details

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

firefox: thunderbird: Use-after-free in the JavaScript Engine component (CVE-2026-4701)
firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4721)
firefox: thunderbird: Privilege escalation in the Netmonitor component (CVE-2026-4717)
firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-4688)
firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4706)
firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4695)
firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4689)
firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-4698)
firefox: thunderbird: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component (CVE-2026-4716)
firefox: thunderbird: Race condition, use-after-free in the Graphics: WebRender component (CVE-2026-4684)
firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4705)
firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component (CVE-2026-4715)
firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4685)
firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4714)
firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-4709)
firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4710)
firefox: thunderbird: Information disclosure in the Widget: Cocoa component (CVE-2026-4712)
firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4697)
firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4713)
firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4690)
firefox: thunderbird: Use-after-free in the Widget: Cocoa component (CVE-2026-4711)
firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4686)
firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4708)
firefox: thunderbird: Use-after-free in the CSS Parsing and Computation component (CVE-2026-4691)
firefox: thunderbird: Incorrect boundary conditions in the Layout: Text and Fonts component (CVE-2026-4699)
firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-4696)
firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Playback component (CVE-2026-4693)
firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4718)
firefox: thunderbird: JIT miscompilation in the JavaScript Engine component (CVE-2026-4702)
firefox: thunderbird: Incorrect boundary conditions in the Graphics: Text component (CVE-2026-4719)
firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics component (CVE-2026-4694)
firefox: thunderbird: Sandbox escape in the Responsive Design Mode component (CVE-2026-4692)
firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4720)
firefox: thunderbird: Mitigation bypass in the Networking: HTTP component (CVE-2026-4700)
firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4707)
firefox: thunderbird: Denial-of-service in the WebRTC: Signaling component (CVE-2026-4704)
firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Telemetry component (CVE-2026-4687)
thunderbird: Out of bounds read in IMAP parsing (CVE-2026-4371)
thunderbird: Spoofing issue in Thunderbird (CVE-2026-3889)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

URL

Type

	https://access.redhat.com/errata/RHSA-2026:6188	ADVISORY
	https://access.redhat.com/security/cve/CVE-2026-3889	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4371	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4684	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4685	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4686	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4687	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4688	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4689	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4690	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4691	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4692	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4693	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4694	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4695	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4696	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4697	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4698	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4699	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4700	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4701	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4702	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4704	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4705	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4706	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4707	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4708	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4709	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4710	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4711	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4712	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4713	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4714	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4715	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4716	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4717	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4718	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4719	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4720	REPORT
	https://access.redhat.com/security/cve/CVE-2026-4721	REPORT
	https://bugzilla.redhat.com/2450710	REPORT
	https://bugzilla.redhat.com/2450711	REPORT
	https://bugzilla.redhat.com/2450712	REPORT
	https://bugzilla.redhat.com/2450713	REPORT
	https://bugzilla.redhat.com/2450714	REPORT
	https://bugzilla.redhat.com/2450715	REPORT
	https://bugzilla.redhat.com/2450718	REPORT
	https://bugzilla.redhat.com/2450719	REPORT
	https://bugzilla.redhat.com/2450720	REPORT
	https://bugzilla.redhat.com/2450721	REPORT
	https://bugzilla.redhat.com/2450722	REPORT
	https://bugzilla.redhat.com/2450723	REPORT
	https://bugzilla.redhat.com/2450724	REPORT
	https://bugzilla.redhat.com/2450725	REPORT
	https://bugzilla.redhat.com/2450726	REPORT
	https://bugzilla.redhat.com/2450727	REPORT
	https://bugzilla.redhat.com/2450728	REPORT
	https://bugzilla.redhat.com/2450729	REPORT
	https://bugzilla.redhat.com/2450730	REPORT
	https://bugzilla.redhat.com/2450732	REPORT
	https://bugzilla.redhat.com/2450733	REPORT
	https://bugzilla.redhat.com/2450734	REPORT
	https://bugzilla.redhat.com/2450735	REPORT
	https://bugzilla.redhat.com/2450738	REPORT
	https://bugzilla.redhat.com/2450739	REPORT
	https://bugzilla.redhat.com/2450740	REPORT
	https://bugzilla.redhat.com/2450741	REPORT
	https://bugzilla.redhat.com/2450742	REPORT
	https://bugzilla.redhat.com/2450744	REPORT
	https://bugzilla.redhat.com/2450746	REPORT
	https://bugzilla.redhat.com/2450747	REPORT
	https://bugzilla.redhat.com/2450748	REPORT
	https://bugzilla.redhat.com/2450751	REPORT
	https://bugzilla.redhat.com/2450752	REPORT
	https://bugzilla.redhat.com/2450755	REPORT
	https://bugzilla.redhat.com/2450756	REPORT
	https://bugzilla.redhat.com/2450757	REPORT
	https://bugzilla.redhat.com/2451001	REPORT
	https://bugzilla.redhat.com/2451006	REPORT
	https://errata.almalinux.org/9/ALSA-2026-6188.html	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "thunderbird"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "140.9.0-1.el9_7.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Mozilla Thunderbird is a standalone mail and newsgroup client.  \n\nSecurity Fix(es):  \n\n  * firefox: thunderbird: Use-after-free in the JavaScript Engine component (CVE-2026-4701)\n  * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4721)\n  * firefox: thunderbird: Privilege escalation in the Netmonitor component (CVE-2026-4717)\n  * firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-4688)\n  * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4706)\n  * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4695)\n  * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4689)\n  * firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-4698)\n  * firefox: thunderbird: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component (CVE-2026-4716)\n  * firefox: thunderbird: Race condition, use-after-free in the Graphics: WebRender component (CVE-2026-4684)\n  * firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4705)\n  * firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component (CVE-2026-4715)\n  * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4685)\n  * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4714)\n  * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-4709)\n  * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4710)\n  * firefox: thunderbird: Information disclosure in the Widget: Cocoa component (CVE-2026-4712)\n  * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4697)\n  * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4713)\n  * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4690)\n  * firefox: thunderbird: Use-after-free in the Widget: Cocoa component (CVE-2026-4711)\n  * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4686)\n  * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4708)\n  * firefox: thunderbird: Use-after-free in the CSS Parsing and Computation component (CVE-2026-4691)\n  * firefox: thunderbird: Incorrect boundary conditions in the Layout: Text and Fonts component (CVE-2026-4699)\n  * firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-4696)\n  * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Playback component (CVE-2026-4693)\n  * firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4718)\n  * firefox: thunderbird: JIT miscompilation in the JavaScript Engine component (CVE-2026-4702)\n  * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Text component (CVE-2026-4719)\n  * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics component (CVE-2026-4694)\n  * firefox: thunderbird: Sandbox escape in the Responsive Design Mode component (CVE-2026-4692)\n  * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4720)\n  * firefox: thunderbird: Mitigation bypass in the Networking: HTTP component (CVE-2026-4700)\n  * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4707)\n  * firefox: thunderbird: Denial-of-service in the WebRTC: Signaling component (CVE-2026-4704)\n  * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Telemetry component (CVE-2026-4687)\n  * thunderbird: Out of bounds read in IMAP parsing (CVE-2026-4371)\n  * thunderbird: Spoofing issue in Thunderbird (CVE-2026-3889)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:6188",
  "modified": "2026-04-02T08:18:50Z",
  "published": "2026-03-30T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:6188"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-3889"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4371"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4684"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4685"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4686"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4687"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4688"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4689"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4690"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4691"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4692"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4693"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4694"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4695"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4696"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4697"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4698"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4699"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4700"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4701"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4702"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4704"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4705"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4706"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4707"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4708"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4709"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4710"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4711"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4712"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4713"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4714"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4715"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4716"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4717"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4718"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4719"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4720"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4721"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450710"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450711"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450712"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450713"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450714"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450715"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450718"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450719"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450720"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450721"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450722"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450723"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450724"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450725"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450726"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450727"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450728"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450729"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450730"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450732"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450733"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450734"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450735"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450738"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450739"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450740"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450741"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450742"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450744"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450746"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450747"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450748"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450751"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450752"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450755"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450756"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450757"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2451001"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2451006"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2026-6188.html"
    }
  ],
  "related": [
    "CVE-2026-4701",
    "CVE-2026-4721",
    "CVE-2026-4717",
    "CVE-2026-4688",
    "CVE-2026-4706",
    "CVE-2026-4695",
    "CVE-2026-4689",
    "CVE-2026-4698",
    "CVE-2026-4716",
    "CVE-2026-4684",
    "CVE-2026-4705",
    "CVE-2026-4715",
    "CVE-2026-4685",
    "CVE-2026-4714",
    "CVE-2026-4709",
    "CVE-2026-4710",
    "CVE-2026-4712",
    "CVE-2026-4697",
    "CVE-2026-4713",
    "CVE-2026-4690",
    "CVE-2026-4711",
    "CVE-2026-4686",
    "CVE-2026-4708",
    "CVE-2026-4691",
    "CVE-2026-4699",
    "CVE-2026-4696",
    "CVE-2026-4693",
    "CVE-2026-4718",
    "CVE-2026-4702",
    "CVE-2026-4719",
    "CVE-2026-4694",
    "CVE-2026-4692",
    "CVE-2026-4720",
    "CVE-2026-4700",
    "CVE-2026-4707",
    "CVE-2026-4704",
    "CVE-2026-4687",
    "CVE-2026-4371",
    "CVE-2026-3889"
  ],
  "summary": "Important: thunderbird security update"
}

CVE-2026-3889 (GCVE-0-2026-3889)

Vulnerability from cvelistv5 – Published: 2026-03-24 20:27 – Updated: 2026-04-13 13:51

Title

Spoofing issue in Thunderbird

Summary

Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-451 - User Interface (UI) Misrepresentation of Critical Information

Assigner

mozilla

References

3 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2020723
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

1 product

Vendor	Product	Version
Mozilla	Thunderbird	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)

Credits

Eemeli Aro

Show details on NVD website

JSON

To clipboard

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        }
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}

CVE-2026-4371 (GCVE-0-2026-4371)

Vulnerability from cvelistv5 – Published: 2026-03-24 20:27 – Updated: 2026-06-30 03:19

Title

Out of bounds read in IMAP parsing

Summary

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking sensitive data. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.

Severity

7.4 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-126 - Buffer Over-read
CWE-130 - Improper Handling of Length Parameter Inconsistency

Assigner

mozilla

References

18 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2023493
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-4371	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2451001	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:8315	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6917	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8285	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8850	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8289	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8288	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8287	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8290	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8284	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6188	vendor-advisoryx_refsource_REDHAT

Impacted products

20 products

Vendor	Product	Version
Mozilla	Thunderbird	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux AppStream (v. 8)	cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v. 8.2)	cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.4)	cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)	cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.6)	cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.6)	cpe:/a:redhat:rhel_e4s:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.6)	cpe:/a:redhat:rhel_tus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.8)	cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.8)	cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.0)	cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.4)	cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Rintaro Kobayashi

Show details on NVD website

JSON

To clipboard

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CVE-2026-4684 (GCVE-0-2026-4684)

Vulnerability from cvelistv5 – Published: 2026-03-24 12:30 – Updated: 2026-06-30 03:18

Title

Race condition, use-after-free in the Graphics: WebRender component

Summary

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-416 - Use After Free
CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-364 - Signal Handler Race Condition

Assigner

mozilla

References

34 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2011129
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-4684	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2450721	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:8427	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7843	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8315	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5931	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5932	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6917	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7840	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8285	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7858	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8850	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7842	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8289	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7838	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8288	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7839	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7841	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8287	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7845	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8290	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7837	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8284	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5930	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6188	vendor-advisoryx_refsource_REDHAT

Impacted products

22 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.34 , ≤ 115.* (rpm) Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux Server (v. 7 ELS)	cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux AppStream (v. 8)	cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v. 8.2)	cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.4)	cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)	cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.6)	cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.6)	cpe:/a:redhat:rhel_e4s:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.6)	cpe:/a:redhat:rhel_tus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.8)	cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.8)	cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.0)	cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.4)	cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Oskar L

Show details on NVD website

JSON

To clipboard

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CVE-2026-4685 (GCVE-0-2026-4685)

Vulnerability from cvelistv5 – Published: 2026-03-24 12:30 – Updated: 2026-06-30 03:18

Title

Incorrect boundary conditions in the Graphics: Canvas2D component

Summary

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions
CWE-787 - Out-of-bounds Write

Assigner

mozilla

References

34 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2016349
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-4685	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2450724	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:8427	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7843	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8315	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5931	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5932	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6917	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7840	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8285	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7858	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8850	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7842	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8289	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7838	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8288	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7839	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7841	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8287	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7845	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8290	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7837	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8284	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5930	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6188	vendor-advisoryx_refsource_REDHAT

Impacted products

22 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.34 , ≤ 115.* (rpm) Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux Server (v. 7 ELS)	cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux AppStream (v. 8)	cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v. 8.2)	cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.4)	cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)	cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.6)	cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.6)	cpe:/a:redhat:rhel_e4s:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.6)	cpe:/a:redhat:rhel_tus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.8)	cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.8)	cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.0)	cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.4)	cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Sajeeb Lohani

Show details on NVD website

JSON

To clipboard

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CVE-2026-4686 (GCVE-0-2026-4686)

Vulnerability from cvelistv5 – Published: 2026-03-24 12:30 – Updated: 2026-06-30 03:18

Title

Incorrect boundary conditions in the Graphics: Canvas2D component

Summary

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions
CWE-787 - Out-of-bounds Write

Assigner

mozilla

References

34 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2016351
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-4686	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2450734	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:8427	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7843	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8315	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5931	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5932	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6917	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7840	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8285	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7858	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8850	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7842	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8289	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7838	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8288	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7839	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7841	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8287	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7845	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8290	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7837	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8284	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5930	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6188	vendor-advisoryx_refsource_REDHAT

Impacted products

22 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.34 , ≤ 115.* (rpm) Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux Server (v. 7 ELS)	cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux AppStream (v. 8)	cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v. 8.2)	cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.4)	cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)	cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.6)	cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.6)	cpe:/a:redhat:rhel_e4s:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.6)	cpe:/a:redhat:rhel_tus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.8)	cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.8)	cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.0)	cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.4)	cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Sajeeb Lohani

Show details on NVD website

JSON

To clipboard

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CVE-2026-4687 (GCVE-0-2026-4687)

Vulnerability from cvelistv5 – Published: 2026-03-24 12:30 – Updated: 2026-06-30 03:18

Title

Sandbox escape due to incorrect boundary conditions in the Telemetry component

Summary

Sandbox escape due to incorrect boundary conditions in the Telemetry component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Severity

9.6 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-501 - Trust Boundary Violation

Assigner

mozilla

References

34 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2016368
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-4687	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2450757	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:8427	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7843	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8315	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5931	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5932	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6917	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7840	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8285	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7858	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8850	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7842	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8289	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7838	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8288	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7839	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7841	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8287	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7845	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8290	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7837	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8284	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5930	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6188	vendor-advisoryx_refsource_REDHAT

Impacted products

22 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.34 , ≤ 115.* (rpm) Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux Server (v. 7 ELS)	cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux AppStream (v. 8)	cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v. 8.2)	cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.4)	cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)	cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.6)	cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.6)	cpe:/a:redhat:rhel_e4s:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.6)	cpe:/a:redhat:rhel_tus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.8)	cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.8)	cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.0)	cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.4)	cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Sajeeb Lohani

Show details on NVD website

JSON

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CVE-2026-4688 (GCVE-0-2026-4688)

Vulnerability from cvelistv5 – Published: 2026-03-24 12:30 – Updated: 2026-06-30 03:18

Title

Sandbox escape due to use-after-free in the Disability Access APIs component

Summary

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Severity

9.6 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-416 - Use After Free
CWE-825 - Expired Pointer Dereference

Assigner

mozilla

References

33 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2016373
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-4688	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2450713	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:8427	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7843	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8315	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5931	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5932	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6917	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7840	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8285	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7858	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8850	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7842	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8289	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7838	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8288	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7839	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7841	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8287	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7845	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8290	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7837	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8284	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5930	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6188	vendor-advisoryx_refsource_REDHAT

Impacted products

22 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux Server (v. 7 ELS)	cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux AppStream (v. 8)	cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v. 8.2)	cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.4)	cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)	cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.6)	cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.6)	cpe:/a:redhat:rhel_e4s:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.6)	cpe:/a:redhat:rhel_tus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.8)	cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.8)	cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.0)	cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.4)	cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Sajeeb Lohani

Show details on NVD website

JSON

To clipboard

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            "value": "RHSA-2026:8284: Red Hat Enterprise Linux AppStream EUS (v.9.6)"
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          {
            "lang": "en",
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CVE-2026-4689 (GCVE-0-2026-4689)

Vulnerability from cvelistv5 – Published: 2026-03-24 12:30 – Updated: 2026-06-30 03:18

Title

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component

Summary

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Severity

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-190 - Integer Overflow or Wraparound

Assigner

mozilla

References

34 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2016374
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-4689	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2450718	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:8427	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7843	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8315	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5931	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5932	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6917	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7840	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8285	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7858	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8850	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7842	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8289	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7838	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8288	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7839	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7841	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8287	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7845	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8290	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7837	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8284	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5930	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6188	vendor-advisoryx_refsource_REDHAT

Impacted products

22 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.34 , ≤ 115.* (rpm) Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux Server (v. 7 ELS)	cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux AppStream (v. 8)	cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v. 8.2)	cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.4)	cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)	cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.6)	cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.6)	cpe:/a:redhat:rhel_e4s:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.6)	cpe:/a:redhat:rhel_tus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.8)	cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.8)	cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.0)	cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.4)	cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Sajeeb Lohani

Show details on NVD website

JSON

To clipboard

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    "dateUpdated": "2026-06-30T03:18:53.534Z",
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}

CVE-2026-4690 (GCVE-0-2026-4690)

Vulnerability from cvelistv5 – Published: 2026-03-24 12:30 – Updated: 2026-06-30 03:18

Title

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component

Summary

Severity

9.6 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-190 - Integer Overflow or Wraparound
CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mozilla

References

34 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2016375
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-4690	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2450732	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:8427	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7843	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8315	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5931	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5932	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6917	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7840	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8285	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7858	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8850	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7842	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8289	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7838	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8288	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7839	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7841	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8287	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7845	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8290	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7837	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8284	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5930	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6188	vendor-advisoryx_refsource_REDHAT

Impacted products

22 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.34 , ≤ 115.* (rpm) Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux Server (v. 7 ELS)	cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux AppStream (v. 8)	cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v. 8.2)	cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.4)	cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)	cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.6)	cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.6)	cpe:/a:redhat:rhel_e4s:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.6)	cpe:/a:redhat:rhel_tus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.8)	cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.8)	cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.0)	cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.4)	cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Sajeeb Lohani

Show details on NVD website

JSON

To clipboard

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CVE-2026-4691 (GCVE-0-2026-4691)

Vulnerability from cvelistv5 – Published: 2026-03-24 12:30 – Updated: 2026-06-30 03:18

Title

Use-after-free in the CSS Parsing and Computation component

Summary

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-416 - Use After Free
CWE-825 - Expired Pointer Dereference

Assigner

mozilla

References

34 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2017512
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://access.redhat.com/security/cve/CVE-2026-4691	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2450738	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:8427	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7843	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8315	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5931	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5932	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6917	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7840	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8285	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7858	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8850	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7842	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8289	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7838	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8288	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7839	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8286	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7841	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8287	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7845	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8290	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7837	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:8284	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5930	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6188	vendor-advisoryx_refsource_REDHAT

Impacted products

22 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.34 , ≤ 115.* (rpm) Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.9 , ≤ 140.* (rpm) Unaffected: 149 , ≤ * (rpm)
Red Hat	Red Hat Enterprise Linux Server (v. 7 ELS)	cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux AppStream EUS (v. 10.0)	cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux AppStream (v. 10)	cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux AppStream (v. 8)	cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v. 8.2)	cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.4)	cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)	cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream AUS (v.8.6)	cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.6)	cpe:/a:redhat:rhel_e4s:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.6)	cpe:/a:redhat:rhel_tus:8.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.8.8)	cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream TUS (v.8.8)	cpe:/a:redhat:rhel_tus:8.8::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.0)	cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat	Red Hat Enterprise Linux AppStream E4S (v.9.2)	cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.4)	cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat	Red Hat Enterprise Linux AppStream EUS (v.9.6)	cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux AppStream (v. 9)	cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Fabius Artrel

Show details on NVD website

JSON

To clipboard

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            "defaultStatus": "affected",
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        ],
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          {
            "lang": "en",
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        "metrics": [
          {
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              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
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              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
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            "format": "CVSS"
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        "problemTypes": [
          {
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              {
                "cweId": "CWE-825",
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        ],
        "providerMetadata": {
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          "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
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        "references": [
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              "x_refsource_REDHAT"
            ],
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          },
          {
            "name": "RHBZ#2450738",
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              "x_refsource_REDHAT"
            ],
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          },
          {
            "tags": [
              "x_sadp-csaf-vex"
            ],
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          },
          {
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            ],
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          },
          {
            "tags": [
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            ],
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          },
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          },
          {
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          },
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              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:8290"
          },
          {
            "tags": [
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              "x_refsource_REDHAT"
            ],
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          },
          {
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              "x_refsource_REDHAT"
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              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:6188"
          }
        ],
        "solutions": [
          {
            "lang": "en",
            "value": "RHSA-2026:8427: Red Hat Enterprise Linux Server (v. 7 ELS)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:7843: Red Hat Enterprise Linux AppStream EUS (v. 10.0)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:8315: Red Hat Enterprise Linux AppStream EUS (v. 10.0)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:5931: Red Hat Enterprise Linux AppStream (v. 10)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:6342: Red Hat Enterprise Linux AppStream (v. 10)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:5932: Red Hat Enterprise Linux AppStream (v. 8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:6917: Red Hat Enterprise Linux AppStream (v. 8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:7840: Red Hat Enterprise Linux AppStream AUS (v. 8.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:8285: Red Hat Enterprise Linux AppStream AUS (v. 8.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:7858: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:8850: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)"
          },
          {
            "lang": "en",
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          },
          {
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          },
          {
            "lang": "en",
            "value": "RHSA-2026:7838: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:8288: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:7839: Red Hat Enterprise Linux AppStream E4S (v.9.0)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:8286: Red Hat Enterprise Linux AppStream E4S (v.9.0)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:7841: Red Hat Enterprise Linux AppStream E4S (v.9.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:8287: Red Hat Enterprise Linux AppStream E4S (v.9.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:7845: Red Hat Enterprise Linux AppStream EUS (v.9.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:8290: Red Hat Enterprise Linux AppStream EUS (v.9.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:7837: Red Hat Enterprise Linux AppStream EUS (v.9.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:8284: Red Hat Enterprise Linux AppStream EUS (v.9.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:5930: Red Hat Enterprise Linux AppStream (v. 9)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:6188: Red Hat Enterprise Linux AppStream (v. 9)"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2026-03-24T13:02:54.051Z",
            "value": "Reported to Red Hat."
          },
          {
            "lang": "en",
            "time": "2026-03-24T12:30:24.376Z",
            "value": "Made public."
          }
        ],
        "title": "firefox: thunderbird: Use-after-free in the CSS Parsing and Computation component",
        "x_adpType": "supplier",
        "x_generator": {
          "engine": "sadp-cli 1.0.0"
        }
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "115.*",
              "status": "unaffected",
              "version": "115.34",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.9",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "149",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
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            {
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              "status": "unaffected",
              "version": "140.9",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "149",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Fabius Artrel"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
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            }
          ],
          "value": "Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-13T13:48:42.999Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2017512"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-20/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-21/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-22/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-23/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-24/"
        }
      ],
      "title": "Use-after-free in the CSS Parsing and Computation component"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
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    "datePublished": "2026-03-24T12:30:24.376Z",
    "dateReserved": "2026-03-23T23:21:44.154Z",
    "dateUpdated": "2026-06-30T03:18:52.665Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

alsa-2026:6188

Vulnerability from osv_almalinux

CVE-2026-3889 (GCVE-0-2026-3889)

CVE-2026-4371 (GCVE-0-2026-4371)

CVE-2026-4684 (GCVE-0-2026-4684)

CVE-2026-4685 (GCVE-0-2026-4685)

CVE-2026-4686 (GCVE-0-2026-4686)

CVE-2026-4687 (GCVE-0-2026-4687)

CVE-2026-4688 (GCVE-0-2026-4688)

CVE-2026-4689 (GCVE-0-2026-4689)

CVE-2026-4690 (GCVE-0-2026-4690)

CVE-2026-4691 (GCVE-0-2026-4691)

Tags

Sightings

Nomenclature