RHSA-2025:16116 — Security Advisory

An update for gnutls is now available for Red Hat Enterprise Linux 9.

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.

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: Vulnerability in GnuTLS certtool template parsing (CVE-2025-32990)

• gnutls: Vulnerability in GnuTLS SCT extension parsing (CVE-2025-32989)

• gnutls: Vulnerability in GnuTLS otherName SAN export (CVE-2025-32988)

• gnutls: NULL pointer dereference in _gnutls_figure_common_ciphersuite() (CVE-2025-6395)

Bug Fix(es) and Enhancement(s):

• gnutls: Vulnerability in GnuTLS certtool template parsing (BZ#2359620)

• gnutls: Vulnerability in GnuTLS SCT extension parsing (BZ#2359621)

• gnutls: Vulnerability in GnuTLS otherName SAN export (BZ#2359622)

• gnutls: NULL pointer dereference in _gnutls_figure_common_ciphersuite() (BZ#2376755)

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.