What is GHSA-hgf5-hpf4-qmrr?

GHSA-hgf5-hpf4-qmrr is a security advisory published by GitHub Security Advisories with High severity. A pre-authentication attacker could leverage type nesting to cause a StackOverflowError...

Which CVE IDs does GHSA-hgf5-hpf4-qmrr cover?

GHSA-hgf5-hpf4-qmrr covers the following CVE IDs: CVE-2026-67590. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-hgf5-hpf4-qmrr?

GHSA-hgf5-hpf4-qmrr has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-hgf5-hpf4-qmrrHighCVSS 7.5

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError...

Vendor

GitHub Security Advisories

Published

August 5, 2026

Last Modified

August 7, 2026

🔗 CVE IDs covered (1)

CVE-2026-67590 →

📋 Description

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service.

This issue affects Apache Qpid ProtonJ2: through 1.1.0.

Users are recommended to upgrade to version 1.2.0, which fixes the issue.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-67590
https://lists.apache.org/thread/kmov6k7f3moqy01m1s370fl61vgos3ly
http://www.openwall.com/lists/oss-security/2026/08/04/29
https://github.com/advisories/GHSA-hgf5-hpf4-qmrr