KB5075971: Windows Server 2012 Security Update (February 2026)

The remote Windows host is missing security update 5075971. It is, therefore, affected by multiple vulnerabilities - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network. CVE-2026-21513 - Heap-based buffer overflow in Microso...

PT-2026-7350

Name of the Vulnerable Software and Affected Versions Microsoft Graphics Component affected versions not specified Description A heap-based buffer overflow exists in the Microsoft Graphics Component. This issue allows a local attacker to gain elevated privileges on the system. The vulnerability...

KB5075970: Windows Server 2012 R2 Security Update (February 2026)

The remote Windows host is missing security update 5075970. It is, therefore, affected by multiple vulnerabilities - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network. CVE-2026-21513 - Heap-based buffer overflow in Microso...

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

firefox: thunderbird: 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: Incorrect boundary conditions in the Graphics component...

firefox: thunderbird: Sandbox escape due to integer overflow in the Graphics component

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

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

firefox: thunderbird: 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: Incorrect boundary conditions in the Graphics component...

firefox: thunderbird: 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: Incorrect boundary conditions in the Graphics component...

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

firefox: thunderbird: 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: Incorrect boundary conditions in the Graphics component...

firefox: thunderbird: Sandbox escape due to integer overflow in the Graphics component

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

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

ALSA-2026:2220 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Spoofing issue in the Downloads Panel component CVE-2025-14327 firefox: Use-after-free in the JavaScript: GC component CVE-2026-0885 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7,...

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

firefox: thunderbird: 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: Incorrect boundary conditions in the Graphics component...

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

firefox: thunderbird: Sandbox escape due to integer overflow in the Graphics component

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

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

firefox: thunderbird: Sandbox escape due to integer overflow in the Graphics component

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