Updated rootcerts, nss & firefox packages fix security vulnerabilities

CVE-2025-6424: A use-after-free in FontFaceSet resulted in a potentially exploitable crash. CVE-2025-6425: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private...

MGASA-2025-0201 Updated rootcerts, nss & firefox packages fix security vulnerabilities

CVE-2025-6424: A use-after-free in FontFaceSet resulted in a potentially exploitable crash. CVE-2025-6425: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private...

firefox: thunderbird: Incorrect parsing of URLs could have allowed embedding of youtube.com

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an embed tag. This could have bypassed website security...

firefox: thunderbird: Incorrect parsing of URLs could have allowed embedding of youtube.com

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an embed tag. This could have bypassed website security...

firefox: thunderbird: Incorrect parsing of URLs could have allowed embedding of youtube.com

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an embed tag. This could have bypassed website security...

firefox: thunderbird: Incorrect parsing of URLs could have allowed embedding of youtube.com

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an embed tag. This could have bypassed website security...

Mozilla Thunderbird < 128.12

The version of Thunderbird installed on the remote Windows host is prior to 128.12. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-55 advisory. - The executable file warning did not warn users before opening files with the terminal extension. This bug only...

RHEL 9 : firefox (RHSA-2025:10187)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10187 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

Security Vulnerabilities fixed in Thunderbird 140 — Mozilla

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. Th...

RHEL 10 : firefox (RHSA-2025:10073)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10073 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 9 : firefox (RHSA-2025:10185)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:10185 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 8 : firefox (RHSA-2025:10184)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10184 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

firefox: thunderbird: Incorrect parsing of URLs could have allowed embedding of youtube.com

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an embed tag. This could have bypassed website security...

firefox: thunderbird: Incorrect parsing of URLs could have allowed embedding of youtube.com

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an embed tag. This could have bypassed website security...

firefox: thunderbird: Incorrect parsing of URLs could have allowed embedding of youtube.com

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an embed tag. This could have bypassed website security...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Content-Disposition header ignored when a file is included in an embed or object tag CVE-2025-6430 firefox: Use-after-free in FontFaceSet CVE-2025-6424 firefox:...

ALSA-2025:10074 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Content-Disposition header ignored when a file is included in an embed or object tag CVE-2025-6430 firefox: Use-after-free in FontFaceSet CVE-2025-6424 firefox:...

AlmaLinux 9 : firefox (ALSA-2025:10072)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:10072 advisory. firefox: Content-Disposition header ignored when a file is included in an embed or object tag CVE-2025-6430 firefox: Use-after-free in FontFaceSet...

ALSA-2025:10072 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Content-Disposition header ignored when a file is included in an embed or object tag CVE-2025-6430 firefox: Use-after-free in FontFaceSet CVE-2025-6424 firefox:...

Security Vulnerabilities fixed in Thunderbird 128.12 — Mozilla

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. Th...