What is GHSA-f5p4-fm99-5w6v?

GHSA-f5p4-fm99-5w6v is a security advisory published by GitHub Security Advisories with Critical severity. Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code...

Which CVE IDs does GHSA-f5p4-fm99-5w6v cover?

GHSA-f5p4-fm99-5w6v covers the following CVE IDs: CVE-2026-69639. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f5p4-fm99-5w6v?

GHSA-f5p4-fm99-5w6v has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-f5p4-fm99-5w6vCriticalCVSS 9.8

Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-69639 →

📋 Description

Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-69639
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69639
https://github.com/advisories/GHSA-f5p4-fm99-5w6v