Description
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).
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
gnutls
0affected
Red Hat Red Hat Enterprise Linux 10
Default version status: affected
0:3.8.10-3.el10_1 to < *unaffected
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support
Default version status: affected
0:3.8.9-9.el10_0.17 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:3.6.16-8.el8_10.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:3.6.16-8.el8_10.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Default version status: affected
0:3.6.14-10.el8_4.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Default version status: affected
0:4.13-3.el8_4.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Default version status: affected
0:3.6.14-10.el8_4.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Default version status: affected
0:4.13-3.el8_4.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Default version status: affected
0:3.6.16-5.el8_6.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Default version status: affected
0:4.13-3.el8_6.2 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Default version status: affected
0:3.6.16-5.el8_6.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Default version status: affected
0:4.13-3.el8_6.2 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Default version status: affected
0:3.6.16-7.el8_8.4 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Default version status: affected
0:4.13-4.el8_8.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Default version status: affected
0:3.6.16-7.el8_8.4 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Default version status: affected
0:4.13-4.el8_8.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:3.8.3-10.el9_7 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:3.8.3-10.el9_7 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Default version status: affected
0:3.7.6-21.el9_2.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Default version status: affected
0:3.8.3-4.el9_4.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support
Default version status: affected
0:3.8.3-6.el9_6.3 to < *unaffected
Red Hat RHEL-8 based Middleware Containers
Default version status: affected
7.13.5-4.1777325677 to < *unaffected
Red Hat RHEL-8 based Middleware Containers
Default version status: affected
7.13.5-4.1777325711 to < *unaffected
Red Hat RHEL-8 based Middleware Containers
Default version status: affected
7.13.5-4.1777325710 to < *unaffected
Red Hat RHEL-8 based Middleware Containers
Default version status: affected
7.13.5-3.1777325680 to < *unaffected
Red Hat RHEL-8 based Middleware Containers
Default version status: affected
7.13.5-4.1777325709 to < *unaffected
Red Hat RHEL-8 based Middleware Containers
Default version status: affected
7.13.5-4.1777325680 to < *unaffected
Red Hat RHEL-8 based Middleware Containers
Default version status: affected
7.13.5-4.1777325708 to < *unaffected
Red Hat Cert Manager support for Red Hat OpenShift release 1.18
Default version status: affected
1791459707 to < *unaffected
Red Hat Cert Manager support for Red Hat OpenShift release 1.18
Default version status: affected
1791459711 to < *unaffected
Red Hat Cert Manager support for Red Hat OpenShift release 1.18
Default version status: affected
1791459759 to < *unaffected
Red Hat Cert Manager support for Red Hat OpenShift release 1.18
Default version status: affected
1789029076 to < *unaffected
Red Hat Cert Manager support for Red Hat OpenShift release 1.18
Default version status: affected
1791966259 to < *unaffected
Red Hat Red Hat AI Inference Server 3.2
Default version status: affected
1780681984 to < *unaffected
Red Hat Red Hat AI Inference Server 3.2
Default version status: affected
1775740563 to < *unaffected
Red Hat Red Hat AI Inference Server 3.3
Default version status: affected
1778244559 to < *unaffected
Red Hat Red Hat AI Inference Server 3.3
Default version status: affected
1778244531 to < *unaffected
Red Hat Red Hat AI Inference Server 3.3
Default version status: affected
1778244546 to < *unaffected
Red Hat Red Hat AI Inference Server 3.3
Default version status: affected
1775680192 to < *unaffected
Red Hat Red Hat AI Inference Server 3.3
Default version status: affected
1775680262 to < *unaffected
Red Hat Red Hat AI Inference Server 3.3
Default version status: affected
1775749857 to < *unaffected
Red Hat Red Hat Ceph Storage 8
Default version status: affected
1774002867 to < *unaffected
Red Hat Red Hat Discovery 2
Default version status: affected
1775668717 to < *unaffected
Red Hat Red Hat Discovery 2
Default version status: affected
1775675922 to < *unaffected
Red Hat Red Hat Hardened Images
Default version status: affected
3.8.12-1.1.hum1 to < *unaffected
Red Hat Red Hat Insights proxy 1.5
Default version status: affected
1773685509 to < *unaffected
Red Hat Red Hat Update Infrastructure 5
Default version status: affected
1773670073 to < *unaffected
Red Hat Red Hat Update Infrastructure 5
Default version status: affected
1773672059 to < *unaffected
Red Hat Red Hat Update Infrastructure 5
Default version status: affected
1773668803 to < *unaffected
Red Hat Red Hat Update Infrastructure 5
Default version status: affected
1773670137 to < *unaffected
Red Hat Red Hat Enterprise Linux 6
Default version status: affected
Red Hat Red Hat Enterprise Linux 7
Default version status: affected
Red Hat Red Hat OpenShift Container Platform 4
Default version status: affected
Red Hat Red Hat OpenShift Container Platform 4
Default version status: affected
References
- https://access.redhat.com/errata/RHSA-2026:13812 ↗
- https://access.redhat.com/errata/RHSA-2026:16008 ↗
- https://access.redhat.com/errata/RHSA-2026:16009 ↗
- https://access.redhat.com/errata/RHSA-2026:16174 ↗
- https://access.redhat.com/errata/RHSA-2026:25096 ↗
- https://access.redhat.com/errata/RHSA-2026:30849 ↗
- https://access.redhat.com/errata/RHSA-2026:30850 ↗
- https://access.redhat.com/errata/RHSA-2026:33125 ↗
- https://access.redhat.com/errata/RHSA-2026:3477 ↗
- https://access.redhat.com/errata/RHSA-2026:4188 ↗
- https://access.redhat.com/errata/RHSA-2026:4655 ↗
- https://access.redhat.com/errata/RHSA-2026:4943 ↗
- https://access.redhat.com/errata/RHSA-2026:5585 ↗
- https://access.redhat.com/errata/RHSA-2026:5606 ↗
- https://access.redhat.com/errata/RHSA-2026:6618 ↗
- https://access.redhat.com/errata/RHSA-2026:6630 ↗
- https://access.redhat.com/errata/RHSA-2026:6737 ↗
- https://access.redhat.com/errata/RHSA-2026:6738 ↗
- https://access.redhat.com/errata/RHSA-2026:7329 ↗
- https://access.redhat.com/errata/RHSA-2026:7335 ↗
- https://access.redhat.com/errata/RHSA-2026:7477 ↗
- https://access.redhat.com/errata/RHSA-2026:82347 ↗
- https://access.redhat.com/errata/RHSA-2026:82354 ↗
- https://access.redhat.com/errata/RHSA-2026:82372 ↗
- https://access.redhat.com/errata/RHSA-2026:82857 ↗
- https://access.redhat.com/errata/RHSA-2026:8746 ↗
- https://access.redhat.com/errata/RHSA-2026:8747 ↗
- https://access.redhat.com/errata/RHSA-2026:8748 ↗
- https://access.redhat.com/security/cve/CVE-2025-14831 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2423177 ↗
- https://gitlab.com/gnutls/gnutls/-/issues/1773 ↗
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html ↗