What is GHSA-p2gc-fm5w-94jj?

GHSA-p2gc-fm5w-94jj 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-p2gc-fm5w-94jj cover?

GHSA-p2gc-fm5w-94jj covers the following CVE IDs: CVE-2026-66274. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-p2gc-fm5w-94jj?

GHSA-p2gc-fm5w-94jj has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-p2gc-fm5w-94jjHighCVSS 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-2026-66274 →

📋 Description

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

This issue affects Apache Qpid Proton-J: through 0.34.1.

Users are recommended to upgrade to version 0.35.0, which fixes the issue.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-66274
https://lists.apache.org/thread/h7xolzws2by2qhdjf7scbx87foxojb5h
http://www.openwall.com/lists/oss-security/2026/08/04/10
https://github.com/advisories/GHSA-p2gc-fm5w-94jj