CVE-2006-0645: Free Software Foundation Inc. LIBTASN1

High severity, CVSS 7.5. EPSS: 3.9% chance of exploitation in the next 30 days.

Tiny ASN.1 Library (libtasn1) before 0.2.18, as used by (1) GnuTLS 1.2.x before 1.2.10 and 1.3.x before 1.3.4, and (2) GNU Shishi, allows attackers to crash the DER decoder and possibly execute arbitrary code via "out-of-bounds access" caused by invalid input, as demonstrated by the ProtoVer SSL test suite.

Affected products

• Free Software Foundation Inc. LIBTASN1: version 0.1.0 only; version 0.1.1 only; version 0.1.2 only; version 0.2.0 only; version 0.2.1 only; version 0.2.2 only; …

Published 2006-02-10. Last modified 2026-06-16.