RHSA-2020:5483 — Security Advisory
Red Hat Security Advisory: gnutls security and bug fix update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · December 16, 2020
Updated · October 14, 2026
Topic
An update for gnutls is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS.
Security Fix(es):
- gnutls: Heap buffer overflow in handshake with no_renegotiation alert sent (CVE-2020-24659)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
- gnutls: Add self-tests for implemented KDF algorithms and CMAC (BZ#1903037)