libXfont2: computeProps Property Buffer Heap Buffer Overflow

A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties before libXfont2 before 2.0.8 could be used by attackers using authenticated X clients to execute code within the X server...

Updated libxfont2 packages fix security vulnerabilities

The updated packages fix security vulnerabilities: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow. CVE-2026-56001 PCF Font Parsing Heap Buffer Overflow. CVE-2026-56002 computeProps Property Buffer Heap Buffer Overflow. CVE-2026-56003...

Amazon Linux 2 : libXfont2, --advisory ALAS2-2026-3814 (ALAS-2026-3814)

The version of libXfont2 installed on the remote host is prior to 2.0.3-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3814 advisory. BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001 PCF Font Parsing Heap Buffer Overflow...

Multiple Mozilla Firefox / Thunderbird / Seamonkey security vulnerabilities

Crossite scripting with functions prototypes. Information leak. Buffer overflows on oversized Content-Type fields in messages. Memory corruption on SVG header. Crossite scripting with img.src. DoS. JavaScript watchpoint privilege escalation. CSS image cursor property buffer overflow. Multiple...