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RLSA-2026:71652 (CVE-2026-92005)
Vulnerability from osv_rocky – Published: 2026-09-26 06:01 – Updated: 2026-09-26 12:16 – Source website
VLAI
Summary
Important: firefox security update
Details
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
Security Fix(es):
-
firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92024)
-
firefox: thunderbird: Mitigation bypass in the Remote Settings Client component (CVE-2026-92019)
-
firefox: thunderbird: Use-after-free in the Networking component (CVE-2026-92026)
-
firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-92031)
-
firefox: thunderbird: Sandbox escape due to invalid pointer in the Graphics component (CVE-2026-92032)
-
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92010)
-
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92006)
-
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92011)
-
firefox: thunderbird: Use-after-free in the DOM: Streams component (CVE-2026-92027)
-
firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-92028)
-
firefox: thunderbird: Privilege escalation in the WebExtensions component (CVE-2026-92015)
-
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92013)
-
firefox: thunderbird: Use-after-free in the Disability Access APIs component (CVE-2026-92016)
-
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92012)
-
firefox: thunderbird: Use-after-free in the DOM: HTML Parser component (CVE-2026-92022)
-
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics component (CVE-2026-92014)
-
firefox: thunderbird: Sandbox escape in the DOM: Core & HTML component (CVE-2026-92018)
-
firefox: thunderbird: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-92021)
-
firefox: thunderbird: Use-after-free in the Audio/Video: Web Codecs component (CVE-2026-92005)
-
firefox: thunderbird: Privilege escalation in the DOM: Service Workers component (CVE-2026-92017)
-
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92009)
-
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-92020)
-
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92008)
-
firefox: thunderbird: Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-92030)
-
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92007)
-
firefox: thunderbird: Use-after-free in the DOM: Navigation component (CVE-2026-92025)
-
firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92029)
-
firefox: thunderbird: Use-after-free in the XML component (CVE-2026-92023)
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.
Severity
7.5 (High)
References
{
"affected": [
{
"package": {
"ecosystem": "Rocky Linux:8",
"name": "firefox",
"purl": "pkg:rpm/rocky-linux/firefox?distro=rocky-linux-8\u0026epoch=0"
},
"ranges": [
{
"database_specific": {
"yum_repository": "AppStream"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "0:140.16.0-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [
{
"name": "Rocky Enterprise Software Foundation"
},
{
"name": "Red Hat"
}
],
"database_specific": {
"license": "CC-BY-4.0",
"license_url": "https://creativecommons.org/licenses/by/4.0/",
"source_advisory": "RHSA-2026:71652"
},
"details": "Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nSecurity Fix(es):\n\n* firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92024)\n\n* firefox: thunderbird: Mitigation bypass in the Remote Settings Client component (CVE-2026-92019)\n\n* firefox: thunderbird: Use-after-free in the Networking component (CVE-2026-92026)\n\n* firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-92031)\n\n* firefox: thunderbird: Sandbox escape due to invalid pointer in the Graphics component (CVE-2026-92032)\n\n* firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92010)\n\n* firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92006)\n\n* firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92011)\n\n* firefox: thunderbird: Use-after-free in the DOM: Streams component (CVE-2026-92027)\n\n* firefox: thunderbird: Use-after-free in the DOM: Core \u0026 HTML component (CVE-2026-92028)\n\n* firefox: thunderbird: Privilege escalation in the WebExtensions component (CVE-2026-92015)\n\n* firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92013)\n\n* firefox: thunderbird: Use-after-free in the Disability Access APIs component (CVE-2026-92016)\n\n* firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92012)\n\n* firefox: thunderbird: Use-after-free in the DOM: HTML Parser component (CVE-2026-92022)\n\n* firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics component (CVE-2026-92014)\n\n* firefox: thunderbird: Sandbox escape in the DOM: Core \u0026 HTML component (CVE-2026-92018)\n\n* firefox: thunderbird: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-92021)\n\n* firefox: thunderbird: Use-after-free in the Audio/Video: Web Codecs component (CVE-2026-92005)\n\n* firefox: thunderbird: Privilege escalation in the DOM: Service Workers component (CVE-2026-92017)\n\n* firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92009)\n\n* firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-92020)\n\n* firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92008)\n\n* firefox: thunderbird: Mitigation bypass in the DOM: Copy \u0026 Paste and Drag \u0026 Drop component (CVE-2026-92030)\n\n* firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92007)\n\n* firefox: thunderbird: Use-after-free in the DOM: Navigation component (CVE-2026-92025)\n\n* firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92029)\n\n* firefox: thunderbird: Use-after-free in the XML component (CVE-2026-92023)\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.",
"id": "RLSA-2026:71652",
"modified": "2026-09-26T12:16:01.392436Z",
"published": "2026-09-26T06:01:34.638036Z",
"references": [
{
"type": "ADVISORY",
"url": "https://errata.rockylinux.org/RLSA-2026:71652"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533737"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533740"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533741"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533742"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533743"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533747"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533751"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533753"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533757"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533758"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533760"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533762"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533764"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533769"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533770"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533771"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533773"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533774"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533778"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533779"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533781"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533786"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533790"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533791"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533792"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533793"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533797"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533799"
},
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:71652"
}
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Important: firefox security update",
"upstream": [
"CVE-2026-92005",
"CVE-2026-92006",
"CVE-2026-92007",
"CVE-2026-92008",
"CVE-2026-92009",
"CVE-2026-92010",
"CVE-2026-92011",
"CVE-2026-92012",
"CVE-2026-92013",
"CVE-2026-92014",
"CVE-2026-92015",
"CVE-2026-92016",
"CVE-2026-92017",
"CVE-2026-92018",
"CVE-2026-92019",
"CVE-2026-92020",
"CVE-2026-92021",
"CVE-2026-92022",
"CVE-2026-92023",
"CVE-2026-92024",
"CVE-2026-92025",
"CVE-2026-92026",
"CVE-2026-92027",
"CVE-2026-92028",
"CVE-2026-92029",
"CVE-2026-92030",
"CVE-2026-92031",
"CVE-2026-92032"
]
}
CVE-2026-92005 (GCVE-0-2026-92005)
Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-17 20:36
VLAI
EPSS
VEX
Title
Use-after-free in the Audio/Video: Web Codecs component
Summary
Use-after-free in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 20:35 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2056051 | |
| 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://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.16 , ≤ 140.*
(rpm)
Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.16 , ≤ 140.*
(rpm)
Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
},
{
"other": {
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"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-17T20:35:53.633305Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416 Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T20:36:00.514Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.16",
"versionType": "rpm"
},
{
"lessThanOrEqual": "153.*",
"status": "unaffected",
"version": "153.3",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "156",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.16",
"versionType": "rpm"
},
{
"lessThanOrEqual": "153.*",
"status": "unaffected",
"version": "153.3",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "156",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "devdharan9424@gmail.com"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Use-after-free in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
}
],
"value": "Use-after-free in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
}
],
"providerMetadata": {
"dateUpdated": "2026-09-16T14:24:29.728Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2056051"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-90/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-93/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-94/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-95/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-96/"
}
],
"title": "Use-after-free in the Audio/Video: Web Codecs component"
}
},
"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2026-92005",
"datePublished": "2026-09-15T12:33:24.503Z",
"dateReserved": "2026-09-15T12:33:23.954Z",
"dateUpdated": "2026-09-17T20:36:00.514Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-92006 (GCVE-0-2026-92006)
Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24
VLAI
EPSS
VEX
Title
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Summary
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 00:00 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2057121 | |
| 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://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.41 , ≤ 115.*
(rpm)
Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.16 , ≤ 140.*
(rpm)
Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-92006",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-15T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-120",
"description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-16T03:56:01.082Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "115.*",
"status": "unaffected",
"version": "115.41",
"versionType": "rpm"
},
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.16",
"versionType": "rpm"
},
{
"lessThanOrEqual": "153.*",
"status": "unaffected",
"version": "153.3",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "156",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.16",
"versionType": "rpm"
},
{
"lessThanOrEqual": "153.*",
"status": "unaffected",
"version": "153.3",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "156",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Mozilla"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
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CVE-2026-92007 (GCVE-0-2026-92007)
Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24
VLAI
EPSS
VEX
Title
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Summary
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 00:00 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2058064 | |
| 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://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.41 , ≤ 115.*
(rpm)
Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.16 , ≤ 140.*
(rpm)
Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
Credits
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CVE-2026-92008 (GCVE-0-2026-92008)
Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24
VLAI
EPSS
VEX
Title
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Summary
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 00:00 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2058065 | |
| 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://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.41 , ≤ 115.*
(rpm)
Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.16 , ≤ 140.*
(rpm)
Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
Credits
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CVE-2026-92009 (GCVE-0-2026-92009)
Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24
VLAI
EPSS
VEX
Title
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Summary
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 00:00 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2058066 | |
| 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://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.41 , ≤ 115.*
(rpm)
Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.16 , ≤ 140.*
(rpm)
Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
Credits
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CVE-2026-92010 (GCVE-0-2026-92010)
Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24
VLAI
EPSS
VEX
Title
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Summary
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 00:00 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2058067 | |
| 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://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.41 , ≤ 115.*
(rpm)
Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.16 , ≤ 140.*
(rpm)
Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
Credits
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CVE-2026-92011 (GCVE-0-2026-92011)
Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24
VLAI
EPSS
VEX
Title
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Summary
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 00:00 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2058068 | |
| 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://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.41 , ≤ 115.*
(rpm)
Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.16 , ≤ 140.*
(rpm)
Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
Credits
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CVE-2026-92012 (GCVE-0-2026-92012)
Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24
VLAI
EPSS
VEX
Title
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Summary
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 00:00 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2058069 | |
| 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://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.41 , ≤ 115.*
(rpm)
Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.16 , ≤ 140.*
(rpm)
Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
Credits
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CVE-2026-92013 (GCVE-0-2026-92013)
Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24
VLAI
EPSS
VEX
Title
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Summary
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 00:00 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2058078 | |
| 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://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.41 , ≤ 115.*
(rpm)
Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.16 , ≤ 140.*
(rpm)
Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm) |
Credits
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},
{
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},
{
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"status": "unaffected",
"version": "153.3",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "156",
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}
]
},
{
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"versionType": "rpm"
},
{
"lessThanOrEqual": "153.*",
"status": "unaffected",
"version": "153.3",
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},
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"version": "156",
"versionType": "rpm"
}
]
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}
],
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"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
}
],
"value": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
}
],
"providerMetadata": {
"dateUpdated": "2026-09-16T14:24:31.912Z",
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2058078"
},
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},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
},
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-93/"
},
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-94/"
},
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-95/"
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-96/"
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"title": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component"
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"datePublished": "2026-09-15T12:33:32.932Z",
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CVE-2026-92014 (GCVE-0-2026-92014)
Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 03:55
VLAI
EPSS
VEX
Title
Privilege escalation due to incorrect boundary conditions in the Graphics component
Summary
Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, and Thunderbird 140.16.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 00:00 UTC
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.41 , ≤ 115.*
(rpm)
Unaffected: 140.16 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.16 , ≤ *
(rpm)
|
Credits
{
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{
"metrics": [
{
"cvssV3_1": {
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
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"versionType": "rpm"
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"value": "Jacolon Walker"
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}
],
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"providerMetadata": {
"dateUpdated": "2026-09-15T19:43:04.183Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2060000"
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},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
},
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-95/"
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"title": "Privilege escalation due to incorrect boundary conditions in the Graphics component"
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"datePublished": "2026-09-15T12:33:33.939Z",
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"state": "PUBLISHED"
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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