CVE-2025-9180

Description

Same-origin policy bypass in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

References

https://www.securityweek.com/high-severity-vulnerabilities-patched-in-chrome-firefox/

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

https://www.mozilla.org/security/advisories/mfsa2025-71/

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

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

https://www.mozilla.org/security/advisories/mfsa2025-66/

https://www.mozilla.org/security/advisories/mfsa2025-65/

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

https://lists.debian.org/debian-lts-announce/2025/08/msg00018.html

https://lists.debian.org/debian-lts-announce/2025/08/msg00016.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1979782

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS