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...

Linux Distros Unpatched Vulnerability : CVE-2026-79592

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An out-of-bounds read vulnerability exists in the xlsdumpSummary function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets...

CVE-2026-79592

An out-of-bounds read vulnerability exists in the xlsdumpSummary function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets...

DEBIAN-CVE-2026-79592

An out-of-bounds read vulnerability exists in the xlsdumpSummary function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets...

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...

UBUNTU-CVE-2026-79592

An out-of-bounds read vulnerability exists in the xlsdumpSummary function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets...

CVE-2026-79592

An out-of-bounds read vulnerability exists in the xlsdumpSummary function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets...

EUVD-2026-75746

An out-of-bounds read vulnerability exists in the xlsdumpSummary function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets...

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-2026-79592

An out-of-bounds read vulnerability exists in the xlsdumpSummary function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets...

CVE-2026-79592

An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 , caused by insufficient validation of file-controlled OLE summary offsets. The CVSS 3.1 score is 7.5 (HIGH) with a network attack vector, low complexity, no privileges required, no user interaction, and ...

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-2026-79592

An out-of-bounds read vulnerability exists in the xlsdumpSummary function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets...

JLSEC-2026-1295

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xlsparseWorkBook function in xls.c:1018...

SUSE CVE-2026-26824

libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table MSAT in readMSAT is not fully initialized before being consumed by ole2validatesectorchain, which may result in application crashe...