Gnu · Gnutls · CVE-2006-7239
**Name of the Vulnerable Software and Affected Versions**
GnuTLS versions prior to 1.4.2
**Description**
The issue allows remote attackers to cause a denial of service (crash) via a crafted X.509 certificate that uses a hash algorithm not supported by GnuTLS, triggering a NULL pointer dereference in the ` gnutls x509 oid2mac algorithm` function.
**Recommendations**
For versions prior to 1.4.2, update to version 1.4.2 or later to resolve the issue.