Public vulnerability disclosure
CVE-2025-14831
Gnutls: gnutls: denial of service via excessive resource consumption during certificate verification
publishedCWE-407
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).
Technical severity5.3 mediumCVSS 3.1 · CNA: redhat
Published2026-02-09Source updated 2026-11-05
Collected2026-11-052 attributed sources
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
gnutls
https://gitlab.com/gnutls/gnutls |
0 (affected) | CNA: redhat |
| Red Hat Enterprise Linux 10 Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.8.10-3.el10_1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 10.0 Extended Update Support Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.8.9-9.el10_0.17; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8 Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.6.16-8.el8_10.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.6.14-10.el8_4.1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat libtasn1
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:4.13-3.el8_4.1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.6.14-10.el8_4.1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Red Hat libtasn1
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:4.13-3.el8_4.1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.6.16-5.el8_6.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat libtasn1
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:4.13-3.el8_6.2; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.6.16-5.el8_6.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Red Hat libtasn1
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:4.13-3.el8_6.2; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.6.16-7.el8_8.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service Red Hat libtasn1
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:4.13-4.el8_8.1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.6.16-7.el8_8.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat libtasn1
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:4.13-4.el8_8.1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9 Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.8.3-10.el9_7; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.7.6-21.el9_2.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.4 Extended Update Support Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.8.3-4.el9_4.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.6 Extended Update Support Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.8.3-6.el9_6.3; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHEL-8 based Middleware Containers Red Hat rhpam-7/rhpam-businesscentral-monitoring-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 7.13.5-4.1777325677; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHEL-8 based Middleware Containers Red Hat rhpam-7/rhpam-businesscentral-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 7.13.5-4.1777325711; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHEL-8 based Middleware Containers Red Hat rhpam-7/rhpam-controller-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 7.13.5-4.1777325710; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHEL-8 based Middleware Containers Red Hat rhpam-7/rhpam-dashbuilder-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 7.13.5-3.1777325680; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHEL-8 based Middleware Containers Red Hat rhpam-7/rhpam-kieserver-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 7.13.5-4.1777325709; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHEL-8 based Middleware Containers Red Hat rhpam-7/rhpam-process-migration-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 7.13.5-4.1777325680; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| RHEL-8 based Middleware Containers Red Hat rhpam-7/rhpam-smartrouter-rhel8
https://catalog.redhat.com/software/containers/ |
≥ 7.13.5-4.1777325708; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Cert Manager support for Red Hat OpenShift release 1.18 Red Hat cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1791459707; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Cert Manager support for Red Hat OpenShift release 1.18 Red Hat cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1791459711; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Cert Manager support for Red Hat OpenShift release 1.18 Red Hat cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1791459759; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Cert Manager support for Red Hat OpenShift release 1.18 Red Hat cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1789029076; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Cert Manager support for Red Hat OpenShift release 1.18 Red Hat cert-manager/cert-manager-operator-bundle
https://catalog.redhat.com/software/containers/ |
≥ 1791966259; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat AI Inference Server 3.2 Red Hat rhaiis/model-opt-cuda-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1780681984; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat AI Inference Server 3.2 Red Hat rhaiis/vllm-cuda-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1775740563; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat AI Inference Server 3.3 Red Hat rhaiis/model-opt-cuda-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1778244559; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat AI Inference Server 3.3 Red Hat rhaiis/vllm-rocm-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1778244531; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat AI Inference Server 3.3 Red Hat rhaiis/vllm-spyre-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1778244546; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat AI Inference Server 3.3 Red Hat rhaiis/vllm-cuda-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1775680192; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat AI Inference Server 3.3 Red Hat rhaiis/vllm-rocm-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1775680262; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat AI Inference Server 3.3 Red Hat rhaiis/model-opt-cuda-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1775749857; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Ceph Storage 8 Red Hat rhceph/rhceph-8-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1774002867; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Discovery 2 Red Hat discovery/discovery-server-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1775668717; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Discovery 2 Red Hat discovery/discovery-ui-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1775675922; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Hardened Images Red Hat gnutls-main
https://catalog.redhat.com/software/containers/ |
≥ 3.8.12-1.1.hum1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Insights proxy 1.5 Red Hat insights-proxy/insights-proxy-container-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1773685509; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Update Infrastructure 5 Red Hat rhui5/cds-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1773670073; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Update Infrastructure 5 Red Hat rhui5/haproxy-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1773672059; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Update Infrastructure 5 Red Hat rhui5/installer-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1773668803; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Update Infrastructure 5 Red Hat rhui5/rhua-rhel9
https://catalog.redhat.com/software/containers/ |
≥ 1773670137; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 6 Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 7 Red Hat gnutls
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4 Red Hat openshift/ose-rhel-coreos-8
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
| Red Hat OpenShift Container Platform 4 Red Hat openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
| SIMATIC CN 4100 Siemens |
≥ 0; < V5.0 (affected, custom)
Other versions: unknown |
ADP: siemens-SADP |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 5.3 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | CNA: redhat |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://access.redhat.com/errata/RHSA-2026:13812CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:16008CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:16009CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:16174CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:25096CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:30849CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:30850CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:33125CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:3477CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:4188CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:4655CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:4943CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:5585CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:5606CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:6618CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:6630CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:6737CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:6738CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:7329CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:7335CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:7477CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:82347CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:82354CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:82372CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:82857CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:8746CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:8747CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:8748CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-14831CNA: redhat · vdb-entry, x_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2423177CNA: redhat · issue-tracking, x_refsource_REDHAT
- https://gitlab.com/gnutls/gnutls/-/issues/1773CNA: redhat
- https://cert-portal.siemens.com/productcert/html/ssa-032379.htmlADP: siemens-SADP
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