CVE-2011-4128: GNU Gnutls

Medium severity, CVSS 4.3. EPSS: 2.3% chance of exploitation in the next 30 days.

Buffer overflow in the gnutls_session_get_data function in lib/gnutls_session.c in GnuTLS 2.12.x before 2.12.14 and 3.x before 3.0.7, when used on a client that performs nonstandard session resumption, allows remote TLS servers to cause a denial of service (application crash) via a large SessionTicket.

Affected products

• GNU Gnutls: version 2.12.0 only; version 2.12.1 only; version 2.12.2 only; version 2.12.3 only; version 2.12.4 only; version 2.12.5 only; …

Published 2011-12-08. Last modified 2026-06-16.