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Unrated severityNVD Advisory· Published Sep 10, 2026

CVE-2026-79591

CVE-2026-79591

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Libxls/Libxlsreferences2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: <1.6.3

Patches

Vulnerability mechanics

References

2

News mentions

0

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