Use-after-free in Mozilla Firefox and Firefox ESR - CVE-2025-1931

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Main Vulnerability Database Vulnerabilities #VU105302

Use-after-free in Mozilla Firefox and Firefox ESR - CVE-2025-1931

Published: March 4, 2025


Vulnerability identifier: #VU105302
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-1931
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in WebTransportChild. A remote attacker can trick the victim into visiting a specially crafted website, trigger a use-after-free in the content process side of a WebTransport connection and execute arbitrary code on the system.



Affected software

Mozilla Firefox
Firefox ESR
Gentoo Linux
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP3
Debian Linux
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 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 ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
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
Slackware Linux
SUSE Package Hub 15
Desktop Applications Module
openSUSE Leap
Ubuntu
openEuler
Fedora
Oracle Solaris
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
www-client/firefox-bin
www-client/firefox
dev-lang/spidermonkey
mozilla-firefox
mozilla-thunderbird
thunderbird (Debian package)
firefox-esr (Debian package)
firefox
firefox-debugsource
firefox-debuginfo
firefox (Red Hat package)
MozillaFirefox-debuginfo
MozillaFirefox-devel
MozillaFirefox-debugsource
MozillaFirefox
MozillaFirefox-translations-common
MozillaThunderbird-translations-other
MozillaThunderbird-translations-common
MozillaThunderbird-debugsource
MozillaThunderbird-debuginfo
MozillaThunderbird
MozillaFirefox-translations-other
MozillaFirefox-branding-upstream
mail-client/thunderbird
mail-client/thunderbird-bin
thunderbird
thunderbird-debuginfo
thunderbird-debugsource
thunderbird-librnp-rnp
thunderbird-wayland
thunderbird (Ubuntu package)
firefox (Ubuntu package)
Mozilla Thunderbird

How to mitigate CVE-2025-1931

Install updates from vendor's website.

Mozilla Firefox - update to 136.0
Firefox ESR - addressed in versions 115.21.0, 128.8.0
Mozilla Thunderbird - addressed in versions 128.8.0, 136.0
Oracle Solaris - addressed in versions 11.3 ESU 36.34, 11.4 SRU 80
www-client/firefox-bin - update to 60.8.0
www-client/firefox - update to 60.8.0
dev-lang/spidermonkey - update to 128.8.0
mozilla-firefox - update to 128.8.0esr
mozilla-thunderbird - update to 128.8.0esr
thunderbird (Debian package) - update to 1:128.8.0esr-1~deb12u1
firefox-esr (Debian package) - update to 128.8.0esr-1~deb12u1
firefox - update to 128.8.0-1
firefox-debugsource - update to 128.8.0-1
firefox-debuginfo - update to 128.8.0-1
firefox (Red Hat package) - addressed in versions 128.8.0-1.el7_9, 128.8.0-1.el8_2, 128.8.0-1.el8_4, 128.8.0-1.el8_6, 128.8.0-1.el8_8, 128.8.0-1.el8_10, 128.8.0-1.el9_0, 128.8.0-1.el9_2, 128.8.0-1.el9_4, 128.8.0-1.el9_5
firefox - addressed in versions 128.8.0-1.0.1, 128.8.0-1.0.2
MozillaFirefox-debuginfo - addressed in versions 128.8.0-112.249.3, 128.8.0-150200.152.173.1
MozillaFirefox-devel - addressed in versions 128.8.0-112.249.3, 128.8.0-150200.152.173.1
MozillaFirefox-debugsource - addressed in versions 128.8.0-112.249.3, 128.8.0-150200.152.173.1
MozillaFirefox - addressed in versions 128.8.0-112.249.3, 128.8.0-150200.152.173.1
MozillaFirefox-translations-common - addressed in versions 128.8.0-112.249.3, 128.8.0-150200.152.173.1
MozillaThunderbird-translations-other - update to 128.8.0-150200.8.203.1
MozillaThunderbird-translations-common - update to 128.8.0-150200.8.203.1
MozillaThunderbird-debugsource - update to 128.8.0-150200.8.203.1
MozillaThunderbird-debuginfo - update to 128.8.0-150200.8.203.1
MozillaThunderbird - update to 128.8.0-150200.8.203.1
MozillaFirefox-translations-other - update to 128.8.0-150200.152.173.1
MozillaFirefox-branding-upstream - update to 128.8.0-150200.152.173.1
mail-client/thunderbird - update to 128.9.0
mail-client/thunderbird-bin - update to 128.9.0
thunderbird - update to 128.11.1-1
thunderbird-debuginfo - update to 128.11.1-1
thunderbird-debugsource - update to 128.11.1-1
thunderbird-librnp-rnp - update to 128.11.1-1
thunderbird-wayland - update to 128.11.1-1
thunderbird (Ubuntu package) - update to 1:128.12.0+build1-0ubuntu0.22.04.1
firefox (Ubuntu package) - update to 136.0+build3-0ubuntu0.20.04.1
firefox - addressed in versions 136.0-2.fc40, 136.0-2.fc41, 136.0-2.fc42

External References

Related Security Bulletins