Use-after-free in Mozilla products - CVE-2025-1930

Vulnerability identifier: #VU105301

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-2025-1930

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the Browser process when handling StreamData sent over AudioIPC. A remote attacker can trick the victim into visiting a specially crafted web page and execute arbitrary code on the system.

The vulnerability affects Firefox installations on Windows only.

Mozilla Firefox
Firefox ESR
Firefox for Android
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 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 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 ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Slackware Linux
Desktop Applications Module
SUSE Package Hub 15
openSUSE Leap
Ubuntu
openEuler
Fedora
Oracle Solaris
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
mozilla-firefox
mozilla-thunderbird
firefox (Red Hat package)
firefox
MozillaFirefox-devel
MozillaFirefox-debugsource
MozillaFirefox
MozillaFirefox-translations-common
MozillaFirefox-debuginfo
MozillaThunderbird
MozillaThunderbird-debuginfo
MozillaThunderbird-translations-other
MozillaThunderbird-translations-common
MozillaThunderbird-debugsource
MozillaFirefox-branding-upstream
MozillaFirefox-translations-other
thunderbird
thunderbird-debuginfo
thunderbird-debugsource
thunderbird-librnp-rnp
thunderbird-wayland
thunderbird (Ubuntu package)
Mozilla Thunderbird

Install updates from vendor's website.

Mozilla Firefox - update to 136.0
Firefox for Android - 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
mozilla-firefox - update to 128.8.0esr
mozilla-thunderbird - update to 128.8.0esr
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-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
MozillaFirefox-debuginfo - addressed in versions 128.8.0-112.249.3, 128.8.0-150200.152.173.1
MozillaThunderbird - update to 128.8.0-150200.8.203.1
MozillaThunderbird-debuginfo - update to 128.8.0-150200.8.203.1
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
MozillaFirefox-branding-upstream - update to 128.8.0-150200.152.173.1
MozillaFirefox-translations-other - update to 128.8.0-150200.152.173.1
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 - addressed in versions 136.0-2.fc40, 136.0-2.fc41, 136.0-2.fc42

• https://bugzilla.mozilla.org/show_bug.cgi?id=1902309
• https://www.mozilla.org/security/advisories/mfsa2025-14/
• https://www.mozilla.org/security/advisories/mfsa2025-15/
• https://www.mozilla.org/security/advisories/mfsa2025-16/

• Multiple vulnerabilities in Mozilla Firefox
• Multiple vulnerabilities in Mozilla Thunderbird
• Multiple vulnerabilities in Mozilla Thunderbird ESR
• Slackware Linux update for mozilla-firefox
• Fedora 41 update for firefox
• Fedora 42 update for firefox
• Fedora 40 update for firefox
• SUSE update for MozillaFirefox
• SUSE update for MozillaFirefox
• Slackware Linux update for mozilla-thunderbird
• Red Hat Enterprise Linux 8 update for firefox
• Red Hat Enterprise Linux 9 update for firefox
• Red Hat Enterprise Linux 9 update for firefox
• Red Hat Enterprise Linux 9 update for firefox
• Red Hat Enterprise Linux 8 update for firefox
• Red Hat Enterprise Linux 8 update for firefox
• Red Hat Enterprise Linux 8 update for firefox
• Red Hat Enterprise Linux 9 update for firefox
• Red Hat Enterprise Linux 7 Extended Lifecycle Support update for firefox
• Red Hat Enterprise Linux 8 update for firefox
• Anolis OS update for firefox
• Oracle Solaris update for third-party components
• openEuler 24.03 LTS SP2 update for thunderbird
• SUSE update for MozillaThunderbird
• Ubuntu update for thunderbird
• Anolis OS update for firefox