Important: firefox

Issue Overview: A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox or tag, potentially making a website vulnerable to a cross-site scripting attack. CVE-2025-6430 Affected Packages: firefox Issue Correction: Run dnf update firefox...

FreeBSD : Mozilla -- persistent UUID that identifies browser (9320590b-58cf-11f0-b4ad-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 9320590b-58cf-11f0-b4ad-b42e991fc52e advisory. [email protected] reports: An attacker who enumerated resources from the WebCompat extension could...

OESA-2025-1720 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global mozdebugprefix /lib/debug %global mozdebugdir /lib/debug/ %global unamem %uname -m %global symbolsfilename -.en-US.-%uname.crashreporter-symbols.zip %global symbolsfilepath...

CVE-2025-34070

A missing authentication vulnerability in the GFIAgent component of GFI Kerio Control 9.4.5 allows unauthenticated remote attackers to perform privileged operations. The GFIAgent service, responsible for integration with GFI AppManager, exposes HTTP services on ports 7995 and 7996 without proper...

firefox: thunderbird: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser and persisted between containers and...

firefox: thunderbird: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser and persisted between containers and...

firefox: thunderbird: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser and persisted between containers and...

firefox: thunderbird: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser and persisted between containers and...

firefox: thunderbird: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser and persisted between containers and...

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:...

Mozilla Thunderbird < 140.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-54 advisory. - Memory safety bugs present in Firefox 139 and Thunderbird 139. Some of these bugs showed evidence of...

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:...

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...

firefox: thunderbird: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser and persisted between containers and...

firefox: thunderbird: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser and persisted between containers and...

firefox: thunderbird: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser and persisted between containers and...

firefox: thunderbird: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser and persisted between containers and...

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:...

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:...