CVE-2025-11709
published 2025-10-14CVE-2025-11709: 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…
PriorityP347critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.39%
32.0th percentile
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.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 144.0-1 (sid) | firefox 144.0-1 (sid) |
| debian | firefox-esr | < firefox 144.0-1 (sid) | firefox 144.0-1 (sid) |
| debian | thunderbird | < firefox 144.0-1 (sid) | firefox 144.0-1 (sid) |
| mozilla | firefox | < 115.29.0 | 115.29.0 |
| mozilla | firefox | < 144.0 | 144.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 116.0 < 140.4.0 | 140.4.0 |
| mozilla | thunderbird | < 144.0 | 144.0 |
| mozilla | thunderbird | >= 0 < 1:140.4.0esr-1~deb11u1 | 1:140.4.0esr-1~deb11u1 |
| mozilla | thunderbird | >= 0 < 1:140.4.0esr-1~deb12u1 | 1:140.4.0esr-1~deb12u1 |
| mozilla | thunderbird | >= 0 < 1:140.4.0esr-1~deb13u1 | 1:140.4.0esr-1~deb13u1 |
| mozilla | thunderbird | >= 0 < 1:140.4.0esr-1 | 1:140.4.0esr-1 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_redhat9.8CRITICAL
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2026-02-02
CVE-2025-8031 Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context,
an attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code.
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
thunderbird: firefox: Out of bounds read/write in a privileged process triggered by WebGL textures
vendor_redhat·2025-10-14·CVSS 9.8
CVE-2025-11709 [CRITICAL] CWE-787 thunderbird: firefox: Out of bounds read/write in a privileged process triggered by WebGL textures
thunderbird: firefox: Out of bounds read/write in a privileged process triggered by WebGL textures
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 flaw was found in Thunderbird and Firefox. The Mozilla Foundation's Security Advisory describes the following issue:
A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures.
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Package: rhel10/firefox-flatpak (Red Hat E
Debian
CVE-2025-11709: firefox - A compromised web process was able to trigger out of bounds reads and writes in ...
vendor_debian·2025·CVSS 9.8
CVE-2025-11709 [CRITICAL] CVE-2025-11709: firefox - A compromised web process was able to trigger out of bounds reads and writes in ...
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.
Scope: local
sid: resolved (fixed in 144.0-1)
Mozilla
Mozilla Foundation Security Advisory 2025-81: CVE-2025-11709
vendor_mozilla·CVSS 9.8
CVE-2025-11709 [CRITICAL] Mozilla Foundation Security Advisory 2025-81: CVE-2025-11709
Mozilla Foundation Security Advisory 2025-81
CVE: CVE-2025-11709
Product: Firefox
Impact: high
Fixed in: Firefox 144
Mozilla
Mozilla Foundation Security Advisory 2025-82: CVE-2025-11709
vendor_mozilla·CVSS 9.8
CVE-2025-11709 [CRITICAL] Mozilla Foundation Security Advisory 2025-82: CVE-2025-11709
Mozilla Foundation Security Advisory 2025-82
CVE: CVE-2025-11709
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 115.29
Mozilla
Mozilla Foundation Security Advisory 2025-84: CVE-2025-11709
vendor_mozilla·CVSS 9.8
CVE-2025-11709 [CRITICAL] Mozilla Foundation Security Advisory 2025-84: CVE-2025-11709
Mozilla Foundation Security Advisory 2025-84
CVE: CVE-2025-11709
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 144
Mozilla
Mozilla Foundation Security Advisory 2025-83: CVE-2025-11709
vendor_mozilla·CVSS 9.8
CVE-2025-11709 [CRITICAL] Mozilla Foundation Security Advisory 2025-83: CVE-2025-11709
Mozilla Foundation Security Advisory 2025-83
CVE: CVE-2025-11709
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 140.4
Mozilla
Mozilla Foundation Security Advisory 2025-85: CVE-2025-11709
vendor_mozilla·CVSS 9.8
CVE-2025-11709 [CRITICAL] Mozilla Foundation Security Advisory 2025-85: CVE-2025-11709
Mozilla Foundation Security Advisory 2025-85
CVE: CVE-2025-11709
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 140.4
OSV
CVE-2025-11709: A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures
osv·2025-10-14·CVSS 9.8
CVE-2025-11709 [CRITICAL] CVE-2025-11709: A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures
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.
GHSA
GHSA-2w7r-ggfp-x894: A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures
ghsa_unreviewed·2025-10-14
CVE-2025-11709 [CRITICAL] CWE-787 GHSA-2w7r-ggfp-x894: A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures
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.
No detection rules found.
No public exploits indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1989127https://www.mozilla.org/security/advisories/mfsa2025-81/https://www.mozilla.org/security/advisories/mfsa2025-82/https://www.mozilla.org/security/advisories/mfsa2025-83/https://www.mozilla.org/security/advisories/mfsa2025-84/https://www.mozilla.org/security/advisories/mfsa2025-85/https://lists.debian.org/debian-lts-announce/2025/10/msg00015.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00031.html
2025-10-14
Published