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.

CVSS Vector

References

• https://github.com/libexpat/libexpat/pull/1326
• https://github.com/libexpat/libexpat/pull/1329