Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Privilege escalation in Firefox Updater CVE-2025-2817 firefox: thunderbird: Unsafe attribute access during XPath parsing CVE-2025-4087 firefox:...

RHEL 9 : thunderbird (RHSA-2025:4460)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:4460 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in Firefox Updater...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Privilege escalation in Firefox Updater CVE-2025-2817 firefox: thunderbird: Unsafe attribute access during XPath parsing CVE-2025-4087 firefox:...

ALSA-2025:4458 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Privilege escalation in Firefox Updater CVE-2025-2817 firefox: thunderbird: Unsafe attribute access during XPath parsing CVE-2025-4087 firefox:...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in Firefox Updater CVE-2025-2817 firefox: thunderbird: Unsafe attribute access during XPath parsing CVE-2025-4087 firefox: thunderbird: Process isolation bypass using...

ALSA-2025:4460 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Privilege escalation in Firefox Updater CVE-2025-2817 firefox: thunderbird: Unsafe attribute access during XPath parsing CVE-2025-4087 firefox: thunderbird: Process isolation bypass using...

RHEL 8 : firefox (RHSA-2025:4458)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:4458 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

ALSA-2025:4443 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Privilege escalation in Firefox Updater CVE-2025-2817 firefox: thunderbird: Unsafe attribute access during XPath parsing CVE-2025-4087 firefox:...

SUSE-SU-2025:1436-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: - Firefox Extended Support Release 128.10.0 ESR MFSA 2025-29 bsc1241621: CVE-2025-2817: Potential privilege escalation in Firefox Updater CVE-2025-4082: WebGL shader attribute memory corruption in Firefox for macOS CVE-2025-4083: Process...

Mozilla Thunderbird < 128.10

The version of Thunderbird installed on the remote Windows host is prior to 128.10. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-32 advisory. - Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory...

Mozilla Thunderbird < 128.10

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 128.10. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-32 advisory. - Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memo...

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Firefox Extended Support Release 128.10.0 ESR MFSA 2025-29 bsc1241621: CVE-2025-2817: Potential privilege escalation in Firefox Updater MFSA-RESERVE-2025-193709: WebGL shader attribute memory corruption in Firefox for macOS...

CVE-2025-4083

A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability affects Firefox 138, Firefox ESR...

DEBIAN-CVE-2025-4083

A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox...

CVE-2025-4083

A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox...

UBUNTU-CVE-2025-4083

A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox...

CVE-2025-4083

A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox...

CVE-2025-4083 Process isolation bypass using "javascript:" URI links in cross-origin frames

A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox...

CVE-2025-4083

A process isolation vulnerability exists in Mozilla Thunderbird and Mozilla Firefox due to improper handling of javascript: URIs. This flaw could allow content to execute within the top-level document's process instead of the intended frame, potentially facilitating a sandbox escape . The vulnera...