CVE-2025-11709

CRITICAL 9.8CVE-2025-11709 · Published 14/10/2025 · updated 23/10/2026

Package	Affected versions	Patched versions
firefox mozilla	`≥ 116.0, < 140.4.0< 115.29.0< 144.0`	`140.4.0115.29.0144.0`
thunderbird mozilla	`< 144.0`	`144.0`

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 was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

References

bugzilla.mozilla.org/show_bug.cgi · Issue Tracking
mozilla.org/security/advisories/mfsa2025-81 · Vendor Advisory
mozilla.org/security/advisories/mfsa2025-82 · Vendor Advisory
mozilla.org/security/advisories/mfsa2025-83 · Vendor Advisory
mozilla.org/security/advisories/mfsa2025-84 · Vendor Advisory
mozilla.org/security/advisories/mfsa2025-85 · Vendor Advisory
lists.debian.org/debian-lts-announce/2025/10/msg00015.html
lists.debian.org/debian-lts-announce/2025/10/msg00031.html

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