What is GHSA-x282-q22w-c9hm?

GHSA-x282-q22w-c9hm is a security advisory published by GitHub Security Advisories with High severity. In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to...

Which CVE IDs does GHSA-x282-q22w-c9hm cover?

GHSA-x282-q22w-c9hm covers the following CVE IDs: CVE-2026-76956. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-x282-q22w-c9hm?

GHSA-x282-q22w-c9hm has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-x282-q22w-c9hmHighCVSS 7.5

In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to...

Vendor

GitHub Security Advisories

Published

August 20, 2026

Last Modified

August 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-76956 →

📋 Description

In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-76956
https://github.com/libexpat/libexpat/pull/1326
https://github.com/libexpat/libexpat/pull/1329
https://github.com/advisories/GHSA-x282-q22w-c9hm