alsa-2025:8756
Vulnerability from osv_almalinux
Published
2025-06-10 00:00
Modified
2025-06-10 14:57
Summary
Important: thunderbird security update
Details

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • thunderbird: JavaScript Execution via Spoofed PDF Attachment and file:/// Link (CVE-2025-3909)
  • thunderbird: Sender Spoofing via Malformed From Header in Thunderbird (CVE-2025-3875)
  • thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links (CVE-2025-3877)
  • thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking (CVE-2025-3932)
  • firefox: thunderbird: Out-of-bounds access when resolving Promise objects (CVE-2025-4918)
  • firefox: thunderbird: Out-of-bounds access when optimizing linear sums (CVE-2025-4919)
  • firefox: thunderbird: Clickjacking vulnerability could have led to leaking saved payment card details (CVE-2025-5267)
  • firefox: thunderbird: Potential local code execution in ?Copy as cURL? command (CVE-2025-5264)
  • firefox: thunderbird: Memory safety bugs (CVE-2025-5268)
  • firefox: thunderbird: Script element events leaked cross-origin resource status (CVE-2025-5266)
  • firefox: thunderbird: Error handling for script execution was incorrectly isolated from web content (CVE-2025-5263)
  • firefox: thunderbird: Memory safety bug (CVE-2025-5269)

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
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "thunderbird"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "128.11.0-1.el8_10.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Mozilla Thunderbird is a standalone mail and newsgroup client.  \n\nSecurity Fix(es):  \n\n  * thunderbird: JavaScript Execution via Spoofed PDF Attachment and file:/// Link (CVE-2025-3909)\n  * thunderbird: Sender Spoofing via Malformed From Header in Thunderbird (CVE-2025-3875)\n  * thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links (CVE-2025-3877)\n  * thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking (CVE-2025-3932)\n  * firefox: thunderbird: Out-of-bounds access when resolving Promise objects (CVE-2025-4918)\n  * firefox: thunderbird: Out-of-bounds access when optimizing linear sums (CVE-2025-4919)\n  * firefox: thunderbird: Clickjacking vulnerability could have led to leaking saved payment card details (CVE-2025-5267)\n  * firefox: thunderbird: Potential local code execution in ?Copy as cURL? command (CVE-2025-5264)\n  * firefox: thunderbird: Memory safety bugs (CVE-2025-5268)\n  * firefox: thunderbird: Script element events leaked cross-origin resource status (CVE-2025-5266)\n  * firefox: thunderbird: Error handling for script execution was incorrectly isolated from web content (CVE-2025-5263)\n  * firefox: thunderbird: Memory safety bug (CVE-2025-5269)\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-2025:8756",
  "modified": "2025-06-10T14:57:05Z",
  "published": "2025-06-10T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:8756"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-3875"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-3877"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-3909"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-3932"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-4918"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-4919"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-5263"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-5264"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-5266"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-5267"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-5268"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-5269"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2366283"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2366287"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2366291"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2366297"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2367016"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2367018"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2368750"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2368751"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2368752"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2368755"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2368756"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2368757"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2025-8756.html"
    }
  ],
  "related": [
    "CVE-2025-3909",
    "CVE-2025-3875",
    "CVE-2025-3877",
    "CVE-2025-3932",
    "CVE-2025-4918",
    "CVE-2025-4919",
    "CVE-2025-5267",
    "CVE-2025-5264",
    "CVE-2025-5268",
    "CVE-2025-5266",
    "CVE-2025-5263",
    "CVE-2025-5269"
  ],
  "summary": "Important: thunderbird security update"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.