A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4335-1 firefox-esr security update
Debian DLA Debian DLA DLA-4351-1 thunderbird security update
Debian DSA Debian DSA DSA-6025-1 firefox-esr security update
Debian DSA Debian DSA DSA-6040-1 thunderbird security update
Ubuntu USN Ubuntu USN USN-7991-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 13 Apr 2026 15:00:00 +0000

Type Values Removed Values Added
Description A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

Mon, 03 Nov 2025 18:30:00 +0000


Thu, 30 Oct 2025 16:30:00 +0000

Type Values Removed Values Added
Title thunderbird: firefox: Out of bounds read/write in a privileged process triggered by WebGL textures Out of bounds read/write in a privileged process triggered by WebGL textures

Mon, 20 Oct 2025 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla firefox Esr
Vendors & Products Mozilla firefox Esr

Fri, 17 Oct 2025 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla
Mozilla firefox
Mozilla thunderbird

Wed, 15 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Wed, 15 Oct 2025 12:30:00 +0000

Type Values Removed Values Added
Title thunderbird: firefox: Out of bounds read/write in a privileged process triggered by WebGL textures
Weaknesses CWE-125
CWE-787
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

threat_severity

Important


Tue, 14 Oct 2025 12:30:00 +0000

Type Values Removed Values Added
Description A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-04-13T14:29:18.098Z

Reserved: 2025-10-13T19:49:59.923Z

Link: CVE-2025-11709

cve-icon Vulnrichment

Updated: 2025-11-03T17:31:46.165Z

cve-icon NVD

Status : Modified

Published: 2025-10-14T13:15:37.093

Modified: 2026-04-13T15:16:39.383

Link: CVE-2025-11709

cve-icon Redhat

Severity : Important

Publid Date: 2025-10-14T12:27:33Z

Links: CVE-2025-11709 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-10-20T15:49:32Z

Weaknesses