CVE-2026-109712

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.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2068420
https://www.mozilla.org/security/advisories/mfsa2026-106/
https://www.mozilla.org/security/advisories/mfsa2026-107/
https://www.mozilla.org/security/advisories/mfsa2026-108/
https://www.mozilla.org/security/advisories/mfsa2026-109/
https://www.mozilla.org/security/advisories/mfsa2026-110/

Configurations

No configuration.

History

16 Oct 2026, 19:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.1
CWE		CWE-908

13 Oct 2026, 19:18

Type	Values Removed	Values Added
Summary	~~(en) Sandbox escape due to uninitialized memory in the Graphics component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, and Firefox ESR 153.5.~~	(en) 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.
References		() https://www.mozilla.org/security/advisories/mfsa2026-109/ - () https://www.mozilla.org/security/advisories/mfsa2026-110/ -

13 Oct 2026, 13:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-13 13:17

Updated : 2026-10-16 19:17

NVD link : CVE-2026-109712

Mitre link : CVE-2026-109712

CVE.ORG link : CVE-2026-109712

JSON object : View

Products Affected

No product.

CWE

CWE-908

Use of Uninitialized Resource

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