CVE-2025-9182

high

Description

Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.

References

https://www.mozilla.org/security/advisories/mfsa2025-72/

https://www.mozilla.org/security/advisories/mfsa2025-70/

https://www.mozilla.org/security/advisories/mfsa2025-67/

https://www.mozilla.org/security/advisories/mfsa2025-64/

https://bugzilla.mozilla.org/show_bug.cgi?id=1975837

Details

Source: Mitre, NVD

Published: 2025-08-19

Updated: 2026-04-13

Risk Information

CVSS v2

Base Score: 7.8

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

Severity: High

CVSS v3

Base Score: 7.5

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