Protection Mechanism Failure in Mozilla products - CVE-2025-8037

Vulnerability identifier: #VU113147

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N]

CVE-ID: CVE-2025-8037

CWE-ID: CWE-693

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to the way Firefox handles nameless cookies with an equals sign in the value. Such a cookie would shadow other cookies, even if the nameless cookie was set over HTTP and the shadowed cookie included the Secure attribute.

Firefox for Android
Mozilla Firefox
Firefox ESR
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 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 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
SUSE Enterprise Storage
Desktop Applications Module
SUSE Package Hub 15
openSUSE Leap
openEuler
Ubuntu
Mozilla Thunderbird
pipewire-libpulse-0_3-debuginfo
pipewire-libpulse-0_3
pipewire-debugsource
pipewire-debuginfo
pipewire-spa-plugins-0_2-32bit
libpipewire-0_3-0
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_3-0-32bit
pipewire-libjack-0_3-32bit
pipewire-modules-32bit
libpipewire-0_3-0-32bit-debuginfo
pipewire-modules-32bit-debuginfo
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-tools
pipewire-pulseaudio
pipewire-spa-plugins-0_2
libpipewire-0_3-0-debuginfo
pipewire-modules
gstreamer-plugin-pipewire
gstreamer-plugin-pipewire-debuginfo
pipewire-libjack-0_3
pipewire-alsa
pipewire-libjack-0_3-debuginfo
pipewire-alsa-64bit-debuginfo
pipewire-alsa-64bit
pipewire-modules-0_3-64bit
pipewire-alsa-32bit
pipewire-modules-0_3-64bit-debuginfo
pipewire-alsa-32bit-debuginfo
pipewire-modules-0_3-32bit
pipewire-modules-0_3-debuginfo
pipewire-modules-0_3-32bit-debuginfo
pipewire-libjack-0_3-devel
pipewire-modules-0_3
pipewire-module-x11-0_3
pipewire-module-x11-0_3-debuginfo
xdg-desktop-portal-debugsource
xdg-desktop-portal-debuginfo
xdg-desktop-portal
xdg-desktop-portal-devel
xdg-desktop-portal-lang
firefox-debuginfo
firefox
firefox-debugsource
MozillaFirefox-debugsource
MozillaFirefox-translations-common
MozillaFirefox-debuginfo
MozillaFirefox
MozillaFirefox-devel
MozillaThunderbird-debuginfo
MozillaThunderbird-debugsource
MozillaThunderbird-translations-other
MozillaThunderbird
MozillaThunderbird-translations-common
MozillaFirefox-translations-other
MozillaFirefox-branding-upstream
thunderbird (Ubuntu package)
MozillaFirefox-branding-SLE

Install updates from vendor's website.

Firefox for Android - update to 141.0
Mozilla Firefox - update to 141.0
Firefox ESR - update to 140.1.0
Mozilla Thunderbird - addressed in versions 140.1, 141.0
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-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-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-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
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
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_3-0-32bit - 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_3-32bit - 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
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-modules-32bit-debuginfo - update to 0.3.24-150300.4.8.1
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-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-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-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
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-modules - update to 0.3.24-150300.4.8.1
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
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-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
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
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-alsa-64bit-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-32bit - 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-modules-0_3-debuginfo - 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-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-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-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
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
firefox-debuginfo - addressed in versions 128.14.0-1, 140.3.1-1
firefox - addressed in versions 128.14.0-1, 140.3.1-1
firefox-debugsource - addressed in versions 128.14.0-1, 140.3.1-1
MozillaFirefox-debugsource - addressed in versions 140.1.0-112.273.1, 140.1.0-150200.152.193.1
MozillaFirefox-translations-common - addressed in versions 140.1.0-112.273.1, 140.1.0-150200.152.193.1
MozillaFirefox-debuginfo - addressed in versions 140.1.0-112.273.1, 140.1.0-150200.152.193.1
MozillaFirefox - addressed in versions 140.1.0-112.273.1, 140.1.0-150200.152.193.1
MozillaFirefox-devel - addressed in versions 140.1.0-112.273.1, 140.1.0-150200.152.193.1
MozillaThunderbird-debuginfo - update to 140.1.0-150200.8.230.1
MozillaThunderbird-debugsource - update to 140.1.0-150200.8.230.1
MozillaThunderbird-translations-other - update to 140.1.0-150200.8.230.1
MozillaThunderbird - update to 140.1.0-150200.8.230.1
MozillaThunderbird-translations-common - update to 140.1.0-150200.8.230.1
MozillaFirefox-translations-other - update to 140.1.0-150200.152.193.1
MozillaFirefox-branding-upstream - update to 140.1.0-150200.152.193.1
thunderbird (Ubuntu package) - update to 1:140.7.1+build1-0ubuntu0.22.04.1
MozillaFirefox-branding-SLE - update to 140-150200.9.21.1

• https://www.mozilla.org/en-US/security/advisories/mfsa2025-59/
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-56/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1964767

• Multiple vulnerabilities in Mozilla Firefox
• Multiple vulnerabilities in Mozilla Thunderbird
• Multiple vulnerabilities in Mozilla Thunderbird 140.x
• SUSE update for MozillaFirefox, MozillaFirefox-branding-SLE
• SUSE update for MozillaFirefox
• SUSE update for MozillaThunderbird
• openEuler 24.03 LTS SP2 update for firefox
• openEuler 24.03 LTS SP1 update for firefox
• openEuler 24.03 LTS update for firefox
• openEuler 22.03 LTS SP4 update for firefox
• openEuler 22.03 LTS SP3 update for firefox
• Ubuntu update for thunderbird