Improper privilege management in Mozilla products - CVE-2025-14323

Vulnerability identifier: #VU119410

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2025-14323

CWE-ID: CWE-269

Exploitation vector: Remote access

Exploit availability: No public exploit available

Affected software:
Mozilla Firefox
Firefox ESR
Firefox for Android
Debian Linux
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Workstation Extension 15
Anolis OS
SUSE Enterprise Storage
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_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 IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
SUSE Package Hub 15
Desktop Applications Module
openSUSE Leap
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Server
openEuler
Ubuntu
Oracle Solaris
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
thunderbird
thunderbird-wayland
thunderbird-librnp-rnp
thunderbird-debugsource
thunderbird-debuginfo
firefox-esr (Debian package)
thunderbird (Debian package)
firefox
firefox (Red Hat package)
thunderbird (Red Hat package)
MozillaFirefox-devel
MozillaFirefox-debuginfo
MozillaFirefox-debugsource
MozillaFirefox
MozillaFirefox-translations-common
MozillaThunderbird-translations-common
MozillaThunderbird
MozillaThunderbird-translations-other
MozillaThunderbird-debuginfo
MozillaThunderbird-debugsource
MozillaFirefox-translations-other
MozillaFirefox-branding-upstream
firefox-debuginfo
firefox-debugsource
thunderbird (Ubuntu package)
Mozilla Thunderbird

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper privilege management in the DOM Notifications component. A remote attacker can trick the victim into visiting a specially crafted website and bypass implemented security restrictions. 

Install updates from vendor's website.

• https://www.mozilla.org/en-US/security/advisories/mfsa2025-93/
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-94/
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-92/