Is CVE-2026-76956 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-76956?

CVE-2026-76956 has a CVSS v3 severity of HIGH (7.5).

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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.