CVE-2025-4082

EUVD-2025-12688
Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges.
*This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mozillaCNA
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 37.73%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mozillafirefox
𝑥
< 138.0
CNA
mozillafirefox_esr
𝑥
< 115.23
CNA
mozillafirefox_esr
128.0 ≤
𝑥
< 128.10
CNA
mozillathunderbird
𝑥
< 138.0
CNA
mozillathunderbird_esr
𝑥
< 128.10.0
CNA
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
157.0.1-1
fixed
firefox-esr
bookworm
140.12.0esr-1~deb12u1
fixed
bookworm (security)
153.4.0esr-1~deb12u1
fixed
forky
153.4.0esr-1
fixed
sid
153.4.0esr-1
fixed
trixie
140.15.0esr-1~deb13u1
fixed
trixie (security)
153.4.0esr-1~deb13u1
fixed
thunderbird
bookworm
1:140.12.0esr-1~deb12u1
fixed
bookworm (security)
1:140.17.0esr-1~deb12u1
fixed
forky
1:153.4.0esr-1
fixed
sid
1:153.4.0esr-1
fixed
trixie
1:140.12.0esr-1~deb13u1
fixed
trixie (security)
1:140.17.0esr-1~deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
focal
dne
jammy
not-affected
noble
not-affected
oracular
not-affected
plucky
not-affected
thunderbird
focal
dne
jammy
not-affected
noble
not-affected
oracular
not-affected
plucky
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
MozillaFirefox
suse enterprise desktop 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP2
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.152.179.1
fixed
MozillaFirefox-devel
suse enterprise desktop 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP2
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.152.179.1
fixed
MozillaFirefox-translations-common
suse enterprise desktop 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP2
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.152.179.1
fixed
MozillaFirefox-translations-other
suse enterprise desktop 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP2
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP3
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP4
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP5
128.10.0-150200.152.179.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.152.179.1
fixed
MozillaThunderbird
suse enterprise desktop 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise workstation 15 SP6
128.10.0-150200.8.212.1
fixed
MozillaThunderbird-translations-common
suse enterprise desktop 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise workstation 15 SP6
128.10.0-150200.8.212.1
fixed
MozillaThunderbird-translations-other
suse enterprise desktop 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise sap 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise server 15 SP6
128.10.0-150200.8.212.1
fixed
suse enterprise workstation 15 SP6
128.10.0-150200.8.212.1
fixed
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1937097
https://www.mozilla.org/security/advisories/mfsa2025-28/
https://www.mozilla.org/security/advisories/mfsa2025-29/
https://www.mozilla.org/security/advisories/mfsa2025-30/
https://www.mozilla.org/security/advisories/mfsa2025-31/
https://www.mozilla.org/security/advisories/mfsa2025-32/
https://lists.debian.org/debian-lts-announce/2025/05/msg00022.html