Permissions, Privileges, and Access Controls in Mozilla products - CVE-2025-11711

 

Permissions, Privileges, and Access Controls in Mozilla products - CVE-2025-11711

Published: October 14, 2025


Vulnerability identifier: #VU116993
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-11711
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to application does not properly impose security restrictions, which allows an malicious web application to modify JavaScript Object properties that were supposed to be non-writable. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code on the system.


Affected software

Mozilla Firefox
Firefox ESR
Firefox for Android
Debian Linux
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
Anolis OS
SUSE Enterprise Storage
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
SUSE Package Hub 15
Desktop Applications Module
openSUSE Leap
openEuler
Ubuntu
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
firefox
firefox-esr (Debian package)
thunderbird (Debian package)
thunderbird-debuginfo
thunderbird-debugsource
thunderbird-librnp-rnp
thunderbird-wayland
thunderbird
firefox-debugsource
firefox-debuginfo
thunderbird (Red Hat package)
firefox (Red Hat package)
MozillaFirefox-debugsource
MozillaFirefox-debuginfo
MozillaFirefox-devel
MozillaFirefox
MozillaFirefox-translations-common
MozillaThunderbird-translations-common
MozillaThunderbird-translations-other
MozillaThunderbird-debugsource
MozillaThunderbird
MozillaThunderbird-debuginfo
MozillaFirefox-translations-other
MozillaFirefox-branding-upstream
thunderbird (Ubuntu package)
Mozilla Thunderbird

How to mitigate CVE-2025-11711

Install updates from vendor's website.

Mozilla Firefox - update to 144.0
Firefox for Android - update to 144.0
Firefox ESR - addressed in versions 115.29.0, 140.4.0
Mozilla Thunderbird - addressed in versions 140.4, 144.0
firefox - addressed in versions 140.3.0-1.0.2, 140.4.0-1, 140.4.0-3.0.1, 140.4.0-4.0.2
firefox-esr (Debian package) - addressed in versions 140.4.0esr-1~deb12u1, 140.4.0esr-1~deb13u1
thunderbird (Debian package) - addressed in versions 1:140.4.0esr-1~deb12u1, 1:140.4.0esr-1~deb13u1
thunderbird-debuginfo - update to 140.4.0-1
thunderbird-debugsource - update to 140.4.0-1
thunderbird-librnp-rnp - update to 140.4.0-1
thunderbird-wayland - update to 140.4.0-1
thunderbird - update to 140.4.0-1
firefox-debugsource - addressed in versions 140.4.0-1, 140.4.0-2, 140.4.0-3
firefox-debuginfo - addressed in versions 140.4.0-1, 140.4.0-2, 140.4.0-3
firefox - addressed in versions 140.4.0-1, 140.4.0-2, 140.4.0-3
thunderbird (Red Hat package) - addressed in versions 140.4.0-2.el8_4, 140.4.0-2.el8_6, 140.4.0-2.el8_8, 140.4.0-2.el8_10, 140.4.0-2.el9_6, 140.4.0-2.el10_0
firefox (Red Hat package) - addressed in versions 140.4.0-3.el8_2, 140.4.0-3.el8_4, 140.4.0-3.el8_6, 140.4.0-3.el8_10, 140.4.0-3.el9_0, 140.4.0-3.el9_2, 140.4.0-3.el9_4, 140.4.0-3.el9_6, 140.4.0-3.el10_0, 140.4.0-4.el7_9
MozillaFirefox-debugsource - addressed in versions 140.4.0-112.286.1, 140.4.0-150200.152.207.1, 140.5.0-112.289.1, 140.5.0-150200.152.210.1
MozillaFirefox-debuginfo - addressed in versions 140.4.0-112.286.1, 140.4.0-150200.152.207.1, 140.5.0-112.289.1, 140.5.0-150200.152.210.1
MozillaFirefox-devel - addressed in versions 140.4.0-112.286.1, 140.4.0-150200.152.207.1, 140.5.0-112.289.1, 140.5.0-150200.152.210.1
MozillaFirefox - addressed in versions 140.4.0-112.286.1, 140.4.0-150200.152.207.1, 140.5.0-112.289.1, 140.5.0-150200.152.210.1
MozillaFirefox-translations-common - addressed in versions 140.4.0-112.286.1, 140.4.0-150200.152.207.1, 140.5.0-112.289.1, 140.5.0-150200.152.210.1
MozillaThunderbird-translations-common - update to 140.4.0-150200.8.242.1
MozillaThunderbird-translations-other - update to 140.4.0-150200.8.242.1
MozillaThunderbird-debugsource - update to 140.4.0-150200.8.242.1
MozillaThunderbird - update to 140.4.0-150200.8.242.1
MozillaThunderbird-debuginfo - update to 140.4.0-150200.8.242.1
MozillaFirefox-translations-other - addressed in versions 140.4.0-150200.152.207.1, 140.5.0-150200.152.210.1
MozillaFirefox-branding-upstream - addressed in versions 140.4.0-150200.152.207.1, 140.5.0-150200.152.210.1
thunderbird (Ubuntu package) - update to 1:140.7.1+build1-0ubuntu0.22.04.1
thunderbird - update to 140.12.0-1.0.1

External References

Related Security Bulletins