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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact total

Affected Vendors & Products

Vendors Products
Mozilla
  • Firefox
  • Firefox Esr
  • Thunderbird

Configuration 1 [-]

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

No data.

References
Link Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=1989127 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html cve-icon
https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-11709 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-11709 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-81/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-82/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-83/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-83/#CVE-2025-11709 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-84/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-85/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-85/#CVE-2025-11709 cve-icon
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

Type Values Removed Values Added
References

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
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2025-10-14T12:27:33.692Z

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