CVE-2025-1009

critical

Description

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.

References

https://www.securityweek.com/chrome-133-firefox-135-patch-high-severity-vulnerabilities/

https://www.mozilla.org/security/advisories/mfsa2025-11/

https://www.mozilla.org/security/advisories/mfsa2025-10/

https://www.mozilla.org/security/advisories/mfsa2025-09/

https://www.mozilla.org/security/advisories/mfsa2025-08/

https://www.mozilla.org/security/advisories/mfsa2025-07/

https://bugzilla.mozilla.org/show_bug.cgi?id=1936613

Details

Source: Mitre, NVD

Published: 2025-02-04

Updated: 2025-02-06

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H