CVE-2026-100813

Invalid pointer in the JavaScript Engine: JIT component

State: Published
Severity: 8.8 High
Published: Sep 29, 2026
Updated: Sep 30, 2026
Reserved: Sep 26, 2026

Description

Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-763 Release of Invalid Pointer or Reference

Affected Products

Product	Versions
ThunderbirdMozilla	157 and laterNot affected
FirefoxMozilla	157 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2068376
https://www.mozilla.org/security/advisories/mfsa2026-101/
https://www.mozilla.org/security/advisories/mfsa2026-97/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.