CVE-2025-10529

EUVD-2025-29560
Same-origin policy bypass in the Layout component. This vulnerability was fixed in 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
Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Affected Products (NVD)
VendorProductVersion
mozillafirefox_esr
𝑥
< 140.3.0
mozillafirefox
𝑥
< 143.0
mozillathunderbird
𝑥
< 143.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
151.0-1
fixed
firefox-esr
bookworm
140.10.2esr-1~deb12u1
fixed
bookworm (security)
140.11.0esr-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
140.11.0esr-1~deb11u1
fixed
forky
140.10.2esr-1
fixed
sid
140.11.0esr-1
fixed
trixie
140.10.2esr-1~deb13u1
fixed
trixie (security)
140.11.0esr-1~deb13u1
fixed
thunderbird
bookworm
1:140.10.1esr-1~deb12u1
fixed
bookworm (security)
1:140.10.2esr-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
1:140.11.0esr-1~deb11u1
fixed
forky
1:140.10.2esr-1
fixed
sid
1:140.11.0esr-1
fixed
trixie
1:140.10.1esr-1~deb13u1
fixed
trixie (security)
1:140.10.2esr-1~deb13u1
fixed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
MozillaFirefox
suse enterprise desktop 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise desktop 15 SP7
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP3
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP4
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP5
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP7
140.3.0-150200.152.201.1
fixed
suse enterprise server 12 SP3
140.3.0-112.279.1
fixed
suse enterprise server 12 SP5
140.3.0-112.279.1
fixed
suse enterprise server 15 SP2
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP3
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP4
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP5
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP7
140.3.0-150200.152.201.1
fixed
MozillaFirefox-devel
suse enterprise desktop 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise desktop 15 SP7
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP3
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP4
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP5
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP7
140.3.0-150200.152.201.1
fixed
suse enterprise server 12 SP3
140.3.0-112.279.1
fixed
suse enterprise server 12 SP5
140.3.0-112.279.1
fixed
suse enterprise server 15 SP2
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP3
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP4
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP5
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP7
140.3.0-150200.152.201.1
fixed
MozillaFirefox-translations-common
suse enterprise desktop 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise desktop 15 SP7
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP3
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP4
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP5
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP7
140.3.0-150200.152.201.1
fixed
suse enterprise server 12 SP3
140.3.0-112.279.1
fixed
suse enterprise server 12 SP5
140.3.0-112.279.1
fixed
suse enterprise server 15 SP2
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP3
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP4
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP5
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP7
140.3.0-150200.152.201.1
fixed
MozillaFirefox-translations-other
suse enterprise desktop 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise desktop 15 SP7
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP3
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP4
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP5
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise sap 15 SP7
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP2
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP3
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP4
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP5
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP6
140.3.0-150200.152.201.1
fixed
suse enterprise server 15 SP7
140.3.0-150200.152.201.1
fixed
MozillaThunderbird
suse enterprise desktop 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise desktop 15 SP7
140.3.0-150200.8.239.1
fixed
suse enterprise sap 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise sap 15 SP7
140.3.0-150200.8.239.1
fixed
suse enterprise server 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise server 15 SP7
140.3.0-150200.8.239.1
fixed
suse enterprise workstation 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise workstation 15 SP7
140.3.0-150200.8.239.1
fixed
MozillaThunderbird-translations-common
suse enterprise desktop 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise desktop 15 SP7
140.3.0-150200.8.239.1
fixed
suse enterprise sap 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise sap 15 SP7
140.3.0-150200.8.239.1
fixed
suse enterprise server 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise server 15 SP7
140.3.0-150200.8.239.1
fixed
suse enterprise workstation 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise workstation 15 SP7
140.3.0-150200.8.239.1
fixed
MozillaThunderbird-translations-other
suse enterprise desktop 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise desktop 15 SP7
140.3.0-150200.8.239.1
fixed
suse enterprise sap 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise sap 15 SP7
140.3.0-150200.8.239.1
fixed
suse enterprise server 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise server 15 SP7
140.3.0-150200.8.239.1
fixed
suse enterprise workstation 15 SP6
140.3.0-150200.8.239.1
fixed
suse enterprise workstation 15 SP7
140.3.0-150200.8.239.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
firefox
RHEL 9
0:140.3.0-1.el9_6
fixed
firefox-x11
RHEL 9
0:140.3.0-1.el9_6
fixed
thunderbird
RHEL 9
0:140.3.0-1.el9_6
fixed
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1970490
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