CVE-2026-109712

Published: Oct 13, 2026Modified: Oct 16, 2026Deferred

7.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Exploitability: 2.8 / Impact: 3.7

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Sandbox escape due to uninitialized memory in the Graphics component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Related CWEs

CWE-908

Use of Uninitialized Resource

The product uses or accesses a resource that has not been initialized.

References (6)

https://bugzilla.mozilla.org/show_bug.cgi?id=2068420

Source: security@mozilla.org

https://www.mozilla.org/security/advisories/mfsa2026-106/

Source: security@mozilla.org

https://www.mozilla.org/security/advisories/mfsa2026-107/

Source: security@mozilla.org

https://www.mozilla.org/security/advisories/mfsa2026-108/

Source: security@mozilla.org

https://www.mozilla.org/security/advisories/mfsa2026-109/

Source: security@mozilla.org

https://www.mozilla.org/security/advisories/mfsa2026-110/

Source: security@mozilla.org

Timeline

No history available yet.