CVE-2025-9180

'Same-origin policy bypass in the Graphics: Canvas2D component.' This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
mozillaCNA
---
---
CISA-ADPADP
8.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
VendorProductVersion
mozillafirefox
𝑥
< 115.27.0
mozillafirefox
𝑥
< 142.0
mozillafirefox
128.0 ≤
𝑥
< 128.14.0
mozillafirefox
140.0 ≤
𝑥
< 140.2.0
mozillathunderbird
𝑥
< 128.14.0
mozillathunderbird
𝑥
< 142.0
mozillathunderbird
140.0 ≤
𝑥
< 140.2.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
143.0.3-1
fixed
firefox-esr
bullseye
vulnerable
bullseye (security)
140.3.1esr-1~deb11u1
fixed
bookworm
128.14.0esr-1~deb12u1
fixed
bookworm (security)
140.3.1esr-1~deb12u1
fixed
trixie
128.14.0esr-1~deb13u1
fixed
trixie (security)
140.3.1esr-1~deb13u1
fixed
forky
140.3.1esr-2
fixed
sid
140.3.1esr-2
fixed
thunderbird
bullseye
vulnerable
bullseye (security)
1:140.3.0esr-1~deb11u1
fixed
bookworm
1:128.14.0esr-1~deb12u1
fixed
bookworm (security)
1:140.3.0esr-1~deb12u1
fixed
trixie
1:128.14.0esr-1~deb13u1
fixed
trixie (security)
1:140.3.0esr-1~deb13u1
fixed
forky
1:140.3.0esr-1
fixed
sid
1:140.3.1esr-1
fixed
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1979782
https://www.mozilla.org/security/advisories/mfsa2025-64/
https://www.mozilla.org/security/advisories/mfsa2025-65/
https://www.mozilla.org/security/advisories/mfsa2025-66/
https://www.mozilla.org/security/advisories/mfsa2025-67/
https://www.mozilla.org/security/advisories/mfsa2025-70/
https://www.mozilla.org/security/advisories/mfsa2025-71/
https://www.mozilla.org/security/advisories/mfsa2025-72/