CVEvulnerability

CVE-2026-79591

7.8 HIGH Published 2026-09-10 Modified 2026-09-22 Official page ↗

Status: Deferred
Published: 2026-09-10
Last modified: 2026-09-22
Assigner: [email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses: CWE-122

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.

Weakness · CWE (1)

CWE-122 Heap-based Buffer Overflow weakness

References

https://github.com/libxls/libxls/issues/161 github.com
https://github.com/libxls/libxls/pull/164/changes/902c8f9b13710c3a13b6232fb86626c5c729402c github.com
https://github.com/libxls/libxls/issues/161 github.com

CVE-2026-79591

Description

Related

Weakness · CWE (1)

References