What is GHSA-5w42-gv46-j4rp?

GHSA-5w42-gv46-j4rp is a security advisory published by GitHub Security Advisories with High severity. An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due...

Which CVE IDs does GHSA-5w42-gv46-j4rp cover?

GHSA-5w42-gv46-j4rp covers the following CVE IDs: CVE-2026-79592. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-5w42-gv46-j4rp?

GHSA-5w42-gv46-j4rp has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-5w42-gv46-j4rpHighCVSS 7.5

An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due...

Vendor

GitHub Security Advisories

Published

September 10, 2026

Last Modified

September 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-79592 →

📋 Description

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

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-79592
https://github.com/libxls/libxls/issues/162
https://github.com/libxls/libxls/pull/165/changes/6eed8bc1d51d6649faebab0184b21ab8768d8fa6
https://github.com/advisories/GHSA-5w42-gv46-j4rp