CVE-2025-1010

Description

An attacker could have caused a use-after-free via the Custom Highlight API, 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://lists.debian.org/debian-lts-announce/2025/02/msg00006.html

https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1936982

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS