Insufficient UI Warning of Dangerous Operations in Mozilla Firefox and Firefox ESR - CVE-2025-6426

Vulnerability identifier: #VU111887

CSH Severity: High

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-6426

CWE-ID: CWE-357

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to the terminal extension does not show a warning when opening an executable terminal filer on macOS. A remote attacker can trick the victim into executing an executable file and compromise the affected system.

Note, the vulnerability affects macOS installations only. 

Mozilla Firefox
Firefox ESR
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise High Performance Computing LTSS 15
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 ESPOS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Enterprise Storage
Desktop Applications Module
SUSE Package Hub 15
openSUSE Leap
Ubuntu
Fedora
Mozilla Thunderbird
pipewire-libpulse-0_3-debuginfo
pipewire-libpulse-0_3
pipewire-debuginfo
pipewire-debugsource
pipewire-spa-plugins-0_2-32bit
pipewire-libjack-0_3-debuginfo
pipewire-spa-tools-debuginfo
pipewire-modules-debuginfo
pipewire-tools-debuginfo
pipewire-doc
pipewire-devel
pipewire-pulseaudio-debuginfo
pipewire-alsa-debuginfo
pipewire-spa-tools
pipewire
pipewire-spa-plugins-0_2-debuginfo
libpipewire-0_3-0
libpipewire-0_3-0-32bit-debuginfo
pipewire-libjack-0_3-32bit
pipewire-modules-32bit
pipewire-modules-32bit-debuginfo
libpipewire-0_3-0-32bit
pipewire-spa-plugins-0_2-32bit-debuginfo
pipewire-libjack-0_3-32bit-debuginfo
pipewire-lang
pipewire-libjack-0_3-64bit-debuginfo
pipewire-modules-64bit-debuginfo
libpipewire-0_3-0-64bit
libpipewire-0_3-0-64bit-debuginfo
pipewire-spa-plugins-0_2-64bit-debuginfo
pipewire-modules-64bit
pipewire-libjack-0_3-64bit
pipewire-spa-plugins-0_2-64bit
pipewire-pulseaudio
pipewire-alsa
gstreamer-plugin-pipewire
pipewire-tools
pipewire-spa-plugins-0_2
pipewire-libjack-0_3
gstreamer-plugin-pipewire-debuginfo
pipewire-modules
libpipewire-0_3-0-debuginfo
pipewire-libjack-0_3-devel
pipewire-modules-0_3
pipewire-alsa-32bit
pipewire-modules-0_3-32bit-debuginfo
pipewire-modules-0_3-debuginfo
pipewire-alsa-64bit
pipewire-modules-0_3-64bit
pipewire-alsa-64bit-debuginfo
pipewire-modules-0_3-64bit-debuginfo
pipewire-alsa-32bit-debuginfo
pipewire-modules-0_3-32bit
pipewire-module-x11-0_3
pipewire-module-x11-0_3-debuginfo
xdg-desktop-portal-debugsource
xdg-desktop-portal-devel
xdg-desktop-portal-lang
xdg-desktop-portal-debuginfo
xdg-desktop-portal
thunderbird (Ubuntu package)
thunderbird
firefox
MozillaThunderbird
MozillaThunderbird-translations-common
MozillaThunderbird-translations-other
MozillaThunderbird-debugsource
MozillaThunderbird-debuginfo
MozillaFirefox-debuginfo
MozillaFirefox-branding-upstream
MozillaFirefox-translations-other
MozillaFirefox
MozillaFirefox-devel
MozillaFirefox-debugsource
MozillaFirefox-translations-common
MozillaFirefox-branding-SLE

Install updates from vendor's website.

Mozilla Firefox - update to 140.0
Firefox ESR - update to 128.12.0
Mozilla Thunderbird - addressed in versions 128.12, 140.0
pipewire-libpulse-0_3-debuginfo - update to 0.3.6-150200.3.11.1
pipewire-libpulse-0_3 - update to 0.3.6-150200.3.11.1
pipewire-debuginfo - addressed in versions 0.3.6-150200.3.11.1, 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-debugsource - addressed in versions 0.3.6-150200.3.11.1, 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-spa-plugins-0_2-32bit - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-libjack-0_3-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-spa-tools-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules-debuginfo - update to 0.3.24-150300.4.8.1
pipewire-tools-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-doc - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-devel - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-pulseaudio-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-alsa-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-spa-tools - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-spa-plugins-0_2-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
libpipewire-0_3-0 - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
libpipewire-0_3-0-32bit-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-libjack-0_3-32bit - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules-32bit - update to 0.3.24-150300.4.8.1
pipewire-modules-32bit-debuginfo - update to 0.3.24-150300.4.8.1
libpipewire-0_3-0-32bit - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-spa-plugins-0_2-32bit-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-libjack-0_3-32bit-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-lang - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-libjack-0_3-64bit-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules-64bit-debuginfo - update to 0.3.24-150300.4.8.1
libpipewire-0_3-0-64bit - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
libpipewire-0_3-0-64bit-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-spa-plugins-0_2-64bit-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules-64bit - update to 0.3.24-150300.4.8.1
pipewire-libjack-0_3-64bit - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-spa-plugins-0_2-64bit - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-pulseaudio - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-alsa - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
gstreamer-plugin-pipewire - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-tools - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-spa-plugins-0_2 - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-libjack-0_3 - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
gstreamer-plugin-pipewire-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules - update to 0.3.24-150300.4.8.1
libpipewire-0_3-0-debuginfo - addressed in versions 0.3.24-150300.4.8.1, 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-libjack-0_3-devel - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules-0_3 - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-alsa-32bit - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules-0_3-32bit-debuginfo - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules-0_3-debuginfo - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-alsa-64bit - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules-0_3-64bit - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-alsa-64bit-debuginfo - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules-0_3-64bit-debuginfo - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-alsa-32bit-debuginfo - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-modules-0_3-32bit - addressed in versions 0.3.49-150400.3.7.1, 0.3.64-150500.3.7.2
pipewire-module-x11-0_3 - update to 0.3.64-150500.3.7.2
pipewire-module-x11-0_3-debuginfo - update to 0.3.64-150500.3.7.2
xdg-desktop-portal-debugsource - addressed in versions 1.8.0-150200.5.8.1, 1.10.1-150400.3.8.1, 1.16.0-150400.3.8.1, 1.16.0-150500.3.8.1
xdg-desktop-portal-devel - addressed in versions 1.8.0-150200.5.8.1, 1.10.1-150400.3.8.1, 1.16.0-150400.3.8.1, 1.16.0-150500.3.8.1
xdg-desktop-portal-lang - addressed in versions 1.8.0-150200.5.8.1, 1.10.1-150400.3.8.1, 1.16.0-150400.3.8.1, 1.16.0-150500.3.8.1
xdg-desktop-portal-debuginfo - addressed in versions 1.8.0-150200.5.8.1, 1.10.1-150400.3.8.1, 1.16.0-150400.3.8.1, 1.16.0-150500.3.8.1
xdg-desktop-portal - addressed in versions 1.8.0-150200.5.8.1, 1.10.1-150400.3.8.1, 1.16.0-150400.3.8.1, 1.16.0-150500.3.8.1
thunderbird (Ubuntu package) - update to 1:128.12.0+build1-0ubuntu0.22.04.1
thunderbird - addressed in versions 128.12.0-1.fc41, 128.12.0-1.fc42
firefox - addressed in versions 140.0-1.fc41, 140.0-1.fc42
MozillaThunderbird - update to 140.1.0-150200.8.230.1
MozillaThunderbird-translations-common - update to 140.1.0-150200.8.230.1
MozillaThunderbird-translations-other - update to 140.1.0-150200.8.230.1
MozillaThunderbird-debugsource - update to 140.1.0-150200.8.230.1
MozillaThunderbird-debuginfo - update to 140.1.0-150200.8.230.1
MozillaFirefox-debuginfo - update to 140.1.0-150200.152.193.1
MozillaFirefox-branding-upstream - update to 140.1.0-150200.152.193.1
MozillaFirefox-translations-other - update to 140.1.0-150200.152.193.1
MozillaFirefox - update to 140.1.0-150200.152.193.1
MozillaFirefox-devel - update to 140.1.0-150200.152.193.1
MozillaFirefox-debugsource - update to 140.1.0-150200.152.193.1
MozillaFirefox-translations-common - update to 140.1.0-150200.152.193.1
MozillaFirefox-branding-SLE - update to 140-150200.9.21.1

• https://www.mozilla.org/en-US/security/advisories/mfsa2025-53/
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-51/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1964385

• Multiple vulnerabilities in Mozilla Firefox
• Fedora 41 update for firefox
• Fedora 42 update for firefox
• Multiple vulnerabilities in Mozilla Thunderbird 128.x
• Multiple vulnerabilities in Thunderbird
• Fedora 42 update for thunderbird
• Fedora 41 update for thunderbird
• Ubuntu update for thunderbird
• SUSE update for MozillaFirefox, MozillaFirefox-branding-SLE
• SUSE update for MozillaThunderbird