CVE-2025-9180CWE-346

CVE-2025-9180

High · published August 20, 2025

CVSS v3.1
8.1
EPSS
0%
Percentile
17.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00267 · 17.8th percentile
Weakness
CWE-346 · Origin Validation Error
Published
2025-08-20T01:15Z
Affected products (7)
ProductVersionsFixed in
mozilla/firefox< 115.27.0115.27.0
mozilla/firefox< 142.0142.0
mozilla/firefox≥ 128.0, < 128.14.0128.14.0
mozilla/firefox≥ 140.0, < 140.2.0140.2.0
mozilla/thunderbird< 128.14.0128.14.0
mozilla/thunderbird< 142.0142.0
mozilla/thunderbird≥ 140.0, < 140.2.0140.2.0
References (10)
https://bugzilla.mozilla.org/show_bug.cgi?id=1979782 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-64/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-65/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-66/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-67/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-70/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-71/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-72/ · [email protected]https://lists.debian.org/debian-lts-announce/2025/08/msg00016.html · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/08/msg00018.html · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 19 AUG 20:33Z
    Same-origin policy bypass in the Graphics: Canvas2D component
    cvelistv5