A flaw was found in GnuTLS. This vulnerability allows a denial of service (DoS) by excessive CPU (Central Processing Unit) and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names (SANs).
https://access.redhat.com/errata/RHSA-2026:7335
https://access.redhat.com/errata/RHSA-2026:7329
https://access.redhat.com/errata/RHSA-2026:6738
https://access.redhat.com/errata/RHSA-2026:6737
https://access.redhat.com/errata/RHSA-2026:6630
https://access.redhat.com/errata/RHSA-2026:6618
https://access.redhat.com/errata/RHSA-2026:5606
https://access.redhat.com/errata/RHSA-2026:5585
https://access.redhat.com/errata/RHSA-2026:4943
https://access.redhat.com/errata/RHSA-2026:4655