CVE-2026-12303

MEDIUM CVSS 4.3 View on NVD ↗

Description

Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

CVSS Vector

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

Affected Products

mozilla/firefox mozilla/thunderbird

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2034608
https://www.mozilla.org/security/advisories/mfsa2026-57/
https://www.mozilla.org/security/advisories/mfsa2026-60/

Published: Jun 16, 2026 13:16 UTC Modified: Jun 16, 2026 20:43 UTC