Security Vulnerabilities fixed in Firefox ESR 115.35.1 — Mozilla

Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0 and Firefox 150.0.0. 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-2026-35736

Name of the Vulnerable Software and Affected Versions Firefox version 150.0.0 Firefox ESR version 140.10.0 Firefox ESR version 115.35.0 Description Memory safety bugs exist that exhibit evidence of memory corruption, which could potentially be exploited to execute arbitrary code. Recommendations...

Linux Distros Unpatched Vulnerability : CVE-2026-6774

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. CVE-2026-6774 Note that Nessus relies on the...

RockyLinux 9 : firefox (RLSA-2026:10757)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:10757 advisory. firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScri...

PT-2026-35737

Name of the Vulnerable Software and Affected Versions Firefox ESR version 140.10.0 Firefox version 150.0.0 Description Memory safety bugs exist that exhibit evidence of memory corruption, which could potentially be exploited to execute arbitrary code. Recommendations Update Firefox ESR to version...

Security Vulnerabilities fixed in Firefox 150.0.1 — Mozilla

Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0 and Firefox 150.0.0. 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. Memory safety bugs present in Firefox ESR...

Security Vulnerabilities fixed in Firefox ESR 140.10.1 — Mozilla

Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0 and Firefox 150.0.0. 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. Memory safety bugs present in Firefox ESR...

Linux Distros Unpatched Vulnerability : CVE-2026-6784

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Memory safety bugs present in Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort so...

firefox: thunderbird: Information disclosure due to uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure due to uninitialized memory in the Graphics: Canvas2D component...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume th...

firefox: thunderbird: Use-after-free in the WebRTC component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the WebRTC component...

firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Libraries component in NSS...

firefox: thunderbird: Privilege escalation in the Debugger component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Debugger component...

firefox: thunderbird: Use-after-free in the JavaScript Engine component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript Engine component...

firefox: thunderbird: Privilege escalation in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Graphics: WebRender component...

firefox: thunderbird: Incorrect boundary conditions in the DOM: Device Interfaces component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the DOM: Device Interfaces component...

firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Audio/Video: Web Codecs component...

firefox: thunderbird: Incorrect boundary conditions in the WebRTC component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the WebRTC component...

firefox: thunderbird: Mitigation bypass in the File Handling component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the File Handling component...

firefox: thunderbird: Other issue in the Storage: IndexedDB component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Other issue in the Storage: IndexedDB component...