CVE-2012-1569: GNU Gnutls

Medium severity, CVSS 5.0. EPSS: 4.4% chance of exploitation in the next 30 days.

The asn1_get_length_der function in decoding.c in GNU Libtasn1 before 2.12, as used in GnuTLS before 3.0.16 and other products, does not properly handle certain large length values, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) or possibly have unspecified other impact via a crafted ASN.1 structure.

Affected products

• GNU Gnutls: up to and including 3.0.15; 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; …
• GNU LIBTASN1: up to and including 2.11; 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; …

Published 2012-03-26. Last modified 2026-06-16.