SUSE-SU-2025:02122-1 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Update to MozillaFirefox 128.12.0 MFSA 2025-23, bsc1244670: - CVE-2025-6424: Use-after-free in FontFaceSet - CVE-2025-6425: The WebCompat WebExtension shipped with Firefox exposed a persistent UUID - CVE-2025-6426: No warning when opening...

SUSE 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 browsing mode, but not profiles. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR...

CVE-2025-6425

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...

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 browsing mode, but not profiles. This vulnerability affects Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12,...

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 browsing mode, but not profiles. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR...

DEBIAN-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 browsing mode, but not profiles. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR...

UBUNTU-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 browsing mode, but not profiles. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR...

CVE-2025-6425

CVE-2025-6425 concerns a WebCompat WebExtension issue in Firefox/Thunderbird where enumerating resources could obtain a persistent, browser-identifying UUID that remains across containers and normal/private browsing (not in profiles). Affected: Firefox < 140, Firefox ESR < 115.25, Firefox E...

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 browsing mode, but not profiles. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR...

CVE-2025-6425 The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

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. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR...

CVE-2025-6425 The WebCompat WebExtension shipped with Firefox exposed a persistent UUID

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. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR...

Mozilla -- persistent UUID that identifies browser

[email protected] reports: 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. This vulnerability affects Firefox 140, Firefox E...

Security Vulnerabilities fixed in Firefox ESR 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...

Mozilla Firefox < 140.0

The version of Firefox 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 mfsa2025-51 advisory. - Memory safety bugs present in Firefox 139 and Thunderbird 139. Some of these bugs showed evidence of memory...

Mozilla Firefox ESR < 115.25

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 115.25. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-52 advisory. - A use-after-free in FontFaceSet resulted in a potentially exploitable crash. CVE-2025-6424 - An attacke...

Mozilla Firefox < 140.0

The version of Firefox installed on the remote Windows host is prior to 140.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-51 advisory. - Memory safety bugs present in Firefox 139 and Thunderbird 139. Some of these bugs showed evidence of memory corruption...

Security Vulnerabilities fixed in Firefox 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...

PT-2025-26722

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 140 Firefox ESR versions prior to 115.25 Firefox ESR versions prior to 128.12 Description: An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the...

Security Vulnerabilities fixed in Firefox ESR 115.25 — 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...

Mozilla Firefox ESR < 128.12

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 128.12. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-53 advisory. - The executable file warning did not warn users before opening files with the terminal extension. This b...