What is GHSA-74qm-9qc5-ff4g?

GHSA-74qm-9qc5-ff4g is a security advisory published by GitHub Security Advisories with High severity. HAProxy PROXY-v2 nested-TLV grandchild ByteBuf reference-count leak (incomplete fix of PR #16881)

Which CVE IDs does GHSA-74qm-9qc5-ff4g cover?

GHSA-74qm-9qc5-ff4g covers the following CVE IDs: CVE-2026-93564. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-74qm-9qc5-ff4g?

GHSA-74qm-9qc5-ff4g has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-74qm-9qc5-ff4gHighCVSS 7.5

HAProxy PROXY-v2 nested-TLV grandchild ByteBuf reference-count leak (incomplete fix of PR #16881)

Vendor

GitHub Security Advisories

Published

September 18, 2026

Last Modified

September 18, 2026

🔗 CVE IDs covered (1)

CVE-2026-93564 →

📋 Description

HAProxy PROXY-v2 nested-TLV grandchild ByteBuf reference-count leak (incomplete fix of PR #16881)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-93564
https://access.redhat.com/security/cve/CVE-2026-93564
https://bugzilla.redhat.com/show_bug.cgi?id=2536953
https://github.com/advisories/GHSA-74qm-9qc5-ff4g