๐Ÿ” CVE Alert

CVE-2026-79591

HIGH 7.8
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th

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.

Vendor n/a
Product n/a
Published Sep 10, 2026
Last Updated Sep 15, 2026
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Affected Versions

n/a / n/a
n/a

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/libxls/libxls/issues/161 github.com: https://github.com/libxls/libxls/pull/164/changes/902c8f9b13710c3a13b6232fb86626c5c729402c