CVE-2025-0240

EUVD-2025-1572
Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in a use-after-free. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA-ADPADP
4 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 14%
Affected Products (NVD)
VendorProductVersion
mozillafirefox
𝑥
< 128.6.0
mozillafirefox
𝑥
< 134.0
mozillathunderbird
𝑥
< 128.6.0
mozillathunderbird
129.0 ≤
𝑥
< 134.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
148.0-1
fixed
firefox-esr
bookworm
128.14.0esr-1~deb12u1
fixed
bookworm (security)
140.8.0esr-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
140.8.0esr-1~deb11u1
fixed
forky
140.8.0esr-1
fixed
sid
140.8.0esr-1
fixed
trixie
140.4.0esr-1~deb13u1
fixed
trixie (security)
140.8.0esr-1~deb13u1
fixed
thunderbird
bookworm
1:140.6.0esr-1~deb12u1
fixed
bookworm (security)
1:140.8.0esr-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
1:140.8.0esr-1~deb11u1
fixed
forky
1:140.8.0esr-1
fixed
sid
1:140.8.0esr-1
fixed
trixie
1:140.6.0esr-1~deb13u1
fixed
trixie (security)
1:140.8.0esr-1~deb13u1
fixed
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1929623
https://www.mozilla.org/security/advisories/mfsa2025-01/
https://www.mozilla.org/security/advisories/mfsa2025-02/
https://www.mozilla.org/security/advisories/mfsa2025-04/
https://www.mozilla.org/security/advisories/mfsa2025-05/
https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html