CVE-2006-7239: GNU Gnutls

Medium severity, CVSS 5.0. EPSS: 1.5% chance of exploitation in the next 30 days.

The _gnutls_x509_oid2mac_algorithm function in lib/gnutls_algorithms.c in GnuTLS before 1.4.2 allows remote attackers to cause a denial of service (crash) via a crafted X.509 certificate that uses a hash algorithm that is not supported by GnuTLS, which triggers a NULL pointer dereference.

Affected products

• GNU Gnutls: up to and including 1.4.1; version 1.0.16 only; version 1.0.17 only; version 1.0.18 only; version 1.0.19 only; version 1.0.20 only; …

Published 2010-05-24. Last modified 2026-06-16.