The gnutls packages provide the GNU Transport Layer Security library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. The following packages have been upgraded to a later upstream version: gnutls . Security Fix: * gnutls: use-after-free/double-free in certificate verification * gnutls: invalid pointer access upon receiving async handshake messages For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Additional Changes: For detailed information on changes in this release, see the CentOS 8.1 Release Notes linked from the References section.