RLSA-2026:58899 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component CVE-2026-74983 firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL...

firefox security update

An update is available for firefox. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Firefox is an open-source web browser, designed for standards...

RLSA-2026:58897 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component CVE-2026-74983 firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL...

RLSA-2026:58898 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component CVE-2026-74983 firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL...

firefox security update

An update is available for firefox. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Firefox is an open-source web browser, designed for standards...

Exploit for Improper Privilege Management in Mozilla Firefox

CVE-2026-74939 — Firefox content→parent privilege escalation...

ALSA-2026:58897 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component CVE-2026-74983 firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component CVE-2026-74983 firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL...

ALSA-2026:58899 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component CVE-2026-74983 firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL...

OPENSUSE-SU-2026:11580-1 MozillaFirefox-154.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-154.0-1.1 package on the GA media of openSUSE Tumbleweed...

SUSE SLED15: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2026:3658-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3658-1 advisory. Update to Firefox Extended Support Release 140.14.0 ESR. - MFSA 2026-74 bsc1274867 - CVE-2026-74934: Site...

SUSE-SU-2026:3683-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.14.0 ESR. - MFSA 2026-74 bsc1274867: - CVE-2026-74934: Site isolation issue in the Graphics: CanvasWebGL component. - CVE-2026-74935: Privilege escalation in the DOM: Networking component. -...

openSUSE 16: MozillaFirefox / MozillaFirefox-branding-upstream / etc (openSUSE-SU-2026:21594-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21594-1 advisory. Update to Firefox Extended Support Release 140.14.0 ESR. - MFSA 2026-76 bsc1274867 CVE-2026-74934: Site isolation issue in the Graphics:...

Exploit for Protection Mechanism Failure in Mozilla Firefox

CVE-2026-2796 + CVE-2026-2768 — Escape the Wasm Box Full-chai...

[SECURITY] Fedora 43 Update: firefox-154.0-1.fc43

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability...

[SECURITY] Fedora 44 Update: firefox-154.0-3.fc44

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability...

[slackware-security] mozilla-firefox

New mozilla-firefox packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/mozilla-firefox-140.14.0esr-i686-1slack15.0.txz: Upgraded. This update contains security fixes and improvements. For more...

Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2026-231-01)

The version of mozilla-firefox installed on the remote host is prior to 140.14.0esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-231-01 advisory. New mozilla-firefox packages are available for Slackware 15.0 and -current to fix security issues. Tenable has...

[SECURITY] [DSA 6451-1] firefox-esr security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6451-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff August 19, 2026 https://www.debian.org/security/faq -...

CVE-2026-74988

creationtimestamp| type| source ---|---|--- 2026-08-19 04:47:12+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260819 2026-08-20 18:20:06+00:00| seen| https://bsky.app/profile/stackflag.bsky.social/post/3mtjucv2vtg25...