Mozilla -- memory safety bugs

[email protected] reports: Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

PT-2025-18160

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 138 Firefox ESR versions prior to 128.10 Thunderbird versions prior to 138 Thunderbird ESR versions prior to 128.10 Description Memory safety bugs are present, showing evidence of memory corruption. It is presumed tha...

PT-2025-18161

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 138 Thunderbird versions prior to 138 Description Memory safety bugs are present in certain versions of Firefox and Thunderbird, showing evidence of memory corruption. It is presumed that with enough effort, some of...

Important: firefox

Issue Overview: JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability affects Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. CVE-2025-3028 A crafted URL containing specific Unico...

PT-2025-18162

Name of the Vulnerable Software and Affected Versions Firefox ESR versions 128.9 and earlier Thunderbird ESR versions 128.9 and earlier Description A memory safety bug is present, showing evidence of memory corruption. It is presumed that with enough effort, this could be exploited to run arbitra...

Mozilla Firefox < 138.0

The version of Firefox installed on the remote Windows host is prior to 138.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-28 advisory. - Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. Some of these bu...

Mozilla Thunderbird < 138.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 138.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-31 advisory. - Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. So...

Security Vulnerabilities fixed in Firefox ESR 128.10 — Mozilla

Mozilla Firefox's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level updater by manipulating the file-locking behavior. By injecting code into the user-privileged process, an attacker could bypass intended access controls, allowing SYSTEM-level file...

Mozilla -- memory corruption

[email protected] reports: Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code...

Important: firefox

Issue Overview: JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability affects Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. CVE-2025-3028 A crafted URL containing specific Unico...

Important: firefox

Issue Overview: An issue was discovered in libexpat before 2.6.4. There is a crash within the XMLResumeParser function because XMLStopParser can stop/suspend an unstarted parser. CVE-2024-50602 ochufftreeunpack in huffdec.c in libtheora in Theora through 1.0 7180717 has an invalid negative left...

Amazon Linux 2023 : firefox (ALAS2023-2025-943)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-943 advisory. JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after- free. This vulnerability affects Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9,...

Mozilla -- memory corruption

[email protected] reports: Memory safety bugs present in Firefox 137 and Thunderbird 137. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code...

AlmaLinux 9 : thunderbird (ALSA-2025:4169)

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2025:4169 advisory. firefox: thunderbird: URL Bar Spoofing via non-BMP Unicode characters CVE-2025-3029 firefox: thunderbird: Use-after-free triggered by XSLTProcessor...

AlmaLinux 8 : thunderbird (ALSA-2025:4170)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2025:4170 advisory. firefox: thunderbird: URL Bar Spoofing via non-BMP Unicode characters CVE-2025-3029 firefox: thunderbird: Use-after-free triggered by XSLTProcessor...

`FormatContext` stream accessors can cause undefined behavior from safe code

Affected versions of stainlessffmpeg exposed several safe public methods on FormatContext that accepted a streamindex parameter and used it in unsafe pointer operations without checking whether the index was valid. These methods performed pointer arithmetic and dereferenced the resulting stream...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8. 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 fr...

firefox: thunderbird: Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of memory corruption, and we presume that with enough...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird 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 fr...

firefox: thunderbird: Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of memory corruption, and we presume that with enough...