CVE-2026-74940

Description

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

References

https://www.mozilla.org/security/advisories/mfsa2026-80/

https://www.mozilla.org/security/advisories/mfsa2026-79/

https://www.mozilla.org/security/advisories/mfsa2026-78/

https://www.mozilla.org/security/advisories/mfsa2026-77/

https://www.mozilla.org/security/advisories/mfsa2026-76/

https://www.mozilla.org/security/advisories/mfsa2026-75/

https://www.mozilla.org/security/advisories/mfsa2026-74/

https://bugzilla.mozilla.org/show_bug.cgi?id=2054842

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3