CVE-2026-109721: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109731: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109753: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the Layout component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109754: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the DOM: Editor component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109714: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the Layout component. This vulnerability was fixed in Firefox 158 and Thunderbird 158...

ROS-20261013-73-0073

The vulnerability of the nestedsynccontrolfromvmcb02 function in the arch/x86/kvm/svm/nested.c module of the virtualization subsystem on the Linux operating system’s x86 kernel is related to synchronization errors when using shared resources „Race Conditions“. Exploiting this vulnerability can...

CVE-2026-109740: Improper Restriction of Operations within the Bounds of a Memory Buffer

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

CVE-2026-109762: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the SVG component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

PT-2026-111437

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158 Firefox ESR versions prior to 115.43 Firefox ESR versions prior to 153.5 Thunderbird versions prior to 158 Thunderbird versions prior to 153.5 Description Incorrect boundary conditions exist within the JavaScript...

PT-2026-111482

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158 Firefox ESR versions prior to 153.5 Thunderbird versions prior to 158 Thunderbird versions prior to 153.5 Description Incorrect boundary conditions exist within the SVG component. Recommendations Update Firefox to...

PT-2026-111442

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158 Firefox ESR versions prior to 153.5 Thunderbird versions prior to 158 Thunderbird versions prior to 153.5 Description Incorrect boundary conditions exist within the Just-In-Time JIT component of the JavaScript...

PT-2026-111475

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158 Firefox ESR versions prior to 153.5 Thunderbird versions prior to 158 Thunderbird versions prior to 153.5 Description Incorrect boundary conditions exist within the DOM: Editor component. Recommendations Update...

PT-2026-111452

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158 Firefox ESR versions prior to 153.5 Thunderbird versions prior to 158 Thunderbird versions prior to 153.5 Description Incorrect boundary conditions exist within the Graphics: Canvas2D component. Recommendations...

PT-2026-111461

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158 Firefox ESR versions prior to 153.5 Thunderbird versions prior to 158 Thunderbird versions prior to 153.5 Description An issue exists in the Widget: Win32 component where incorrect boundary conditions allow for a...

PT-2026-111474

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158 Firefox ESR versions prior to 115.43 Firefox ESR versions prior to 153.5 Thunderbird versions prior to 158 Thunderbird versions prior to 153.5 Description Incorrect boundary conditions exist within the Layout...

PT-2026-111436

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158 Firefox ESR versions prior to 115.43 Firefox ESR versions prior to 153.5 Thunderbird versions prior to 158 Thunderbird versions prior to 153.5 Description Incorrect boundary conditions exist within the JavaScript...

firefox: thunderbird: Privilege escalation due to incorrect boundary conditions 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 due to incorrect boundary conditions in the Graphics: WebRender component...

firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics component

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

firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics component

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

firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component...