Linux Distros Unpatched Vulnerability : CVE-2026-79591

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A heap-buffer-overflow and use-after-free vulnerability exists in the xlsgetCSS function of libxls 1.6.3 due to insufficient validation of a file-controlled fon...

CVE-2026-79591

A heap-buffer-overflow and use-after-free vulnerability exists in the xlsgetCSS function of libxls 1.6.3 due to insufficient validation of a file-controlled font index...

DEBIAN-CVE-2026-79591

A heap-buffer-overflow and use-after-free vulnerability exists in the xlsgetCSS function of libxls 1.6.3 due to insufficient validation of a file-controlled font index...

UBUNTU-CVE-2026-79591

A heap-buffer-overflow and use-after-free vulnerability exists in the xlsgetCSS function of libxls 1.6.3 due to insufficient validation of a file-controlled font index...

CVE-2026-79591

A heap-buffer-overflow and use-after-free vulnerability exists in the xlsgetCSS function of libxls 1.6.3 due to insufficient validation of a file-controlled font index...

CVE-2026-79591

A heap-buffer-overflow and use-after-free vulnerability exists in the xls_getCSS() function of libxls 1.6.3 , caused by insufficient validation of a file-controlled font index. CISA's SSVC assessment rates the exploitation status as PoC with total technical impact, though it is not automatable . ...

CVE-2026-79591

A heap-buffer-overflow and use-after-free vulnerability exists in the xlsgetCSS function of libxls 1.6.3 due to insufficient validation of a file-controlled font index...

CVE-2026-79591

A heap-buffer-overflow and use-after-free vulnerability exists in the xlsgetCSS function of libxls 1.6.3 due to insufficient validation of a file-controlled font index...

EUVD-2026-75745

A heap-buffer-overflow and use-after-free vulnerability exists in the xlsgetCSS function of libxls 1.6.3 due to insufficient validation of a file-controlled font index...

CVE-2026-79591

A heap-buffer-overflow and use-after-free vulnerability exists in the xlsgetCSS function of libxls 1.6.3 due to insufficient validation of a file-controlled font index...

CVE-2026-79591: Heap-based Buffer Overflow

A heap-buffer-overflow and use-after-free vulnerability exists in the xlsgetCSS function of libxls 1.6.3 due to insufficient validation of a file-controlled font index...