firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

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...

RHEL 8 : firefox (RHSA-2026:19542)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:19542 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 9 : firefox (RHSA-2026:17689)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:17689 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 9 : thunderbird (RHSA-2026:19461)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:19461 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the...

RHEL 9 : thunderbird (RHSA-2026:19348)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:19348 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the...

RHEL 7 : firefox (RHSA-2026:19704)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:19704 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

RHEL 9 : firefox (RHSA-2026:19201)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:19201 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

MiracleLinux 9 : thunderbird-140.10.0-1.el9_7.ML.1 (AXSA:2026-616:11)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-616:11 advisory. firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

Important: firefox

Issue Overview: Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. A panic in ptr::dropinplace skips setting the length to zero. CVE-2026-6654 Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150,...