CVE-2025-10532

EUVD-2025-29559
Incorrect boundary conditions in the JavaScript: GC component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CISA-ADPADP
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 12%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
< 140.3.0
mozillafirefox
𝑥
< 143.0
mozillathunderbird
𝑥
< 140.3.0
mozillathunderbird
141.0 ≤
𝑥
< 143.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
147.0.4-1
fixed
firefox-esr
bookworm
vulnerable
bookworm (security)
140.7.0esr-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
140.7.0esr-1~deb11u1
fixed
forky
140.7.0esr-1
fixed
sid
140.7.0esr-1
fixed
trixie
140.4.0esr-1~deb13u1
fixed
trixie (security)
140.7.0esr-1~deb13u1
fixed
thunderbird
bookworm
1:140.6.0esr-1~deb12u1
fixed
bookworm (security)
1:140.7.1esr-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
1:140.7.1esr-1~deb11u1
fixed
forky
1:140.7.1esr-1
fixed
sid
1:140.7.1esr-1
fixed
trixie
1:140.6.0esr-1~deb13u1
fixed
trixie (security)
1:140.7.1esr-1~deb13u1
fixed
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1979502
https://www.mozilla.org/security/advisories/mfsa2025-73/
https://www.mozilla.org/security/advisories/mfsa2025-75/
https://www.mozilla.org/security/advisories/mfsa2025-77/
https://www.mozilla.org/security/advisories/mfsa2025-78/
https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html
https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html