CVE-2026-92031

medium

Description

Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

References

https://www.mozilla.org/security/advisories/mfsa2026-96/

https://www.mozilla.org/security/advisories/mfsa2026-95/

https://www.mozilla.org/security/advisories/mfsa2026-94/

https://www.mozilla.org/security/advisories/mfsa2026-93/

https://www.mozilla.org/security/advisories/mfsa2026-92/

https://www.mozilla.org/security/advisories/mfsa2026-90/

https://bugzilla.mozilla.org/show_bug.cgi?id=2067971

Details

Source: Mitre, NVD

Published: 2026-09-15

Updated: 2026-09-16

Risk Information

CVSS v2

Base Score: 4.3

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

Severity: Medium

CVSS v3

Base Score: 6.5

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