CVE-2025-9180
HIGH severity · CVSS 8.1 · CWE-346
8.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mozilla.org/security/advisories/mfsa2025-64/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-65/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-66/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-67/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-70/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-71/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-72/Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1979782