CVE-2026-100825

HIGHCVSS 8.8

Description

Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

Timeline

Published:September 29th, 2026 1:17 PM

Last modified:September 30th, 2026 6:18 PM

CVSS Scoring

CVSS v3: 8.8 (HIGH)

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

Weaknesses (CWE)

CWE-416

References & Reports

Advisories, patches, and third-party reports

https://bugzilla.mozilla.org/show_bug.cgi?id=2057465
https://www.mozilla.org/security/advisories/mfsa2026-100/
https://www.mozilla.org/security/advisories/mfsa2026-101/
https://www.mozilla.org/security/advisories/mfsa2026-103/
https://www.mozilla.org/security/advisories/mfsa2026-97/

Source: NIST NVD · Data may lag official sources by up to one minute