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Medium 5.3Published Feb 9, 2026
CVE-2025-14831Gnutls: gnutls: denial of service via excessive resource consumption during certificate verification
Updated under an hour ago ()
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It affects Red Hat Enterprise Linux 10 and 16 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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).
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weakness (CWE)
- CWE-407
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Deferred
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux | from 0:3.8.10-3.el10_1 not affected | CNA record |
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support redhat:enterprise_linux_eus | from 0:3.8.9-9.el10_0.17 not affected | CNA record |
from 0:3.6.14-10.el8_4.1 not affected | CNA record | |
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support redhat:rhel_eus_long_life | from 0:3.6.14-10.el8_4.1 not affected | CNA record |
from 0:3.6.16-7.el8_8.4 not affected | CNA record | |
from 0:3.6.16-7.el8_8.4 not affected | CNA record | |
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support redhat:rhel_eus | from 0:3.8.3-4.el9_4.5 not affected | CNA record |
Red Hat RHEL-8 based Middleware Containers redhat:rhosemc | from 7.13.5-4.1777325677 not affected | CNA record |
Red Hat Cert Manager support for Red Hat OpenShift release 1.18 redhat:cert_manager | from 1791459707 not affected | CNA record |
Red Hat Red Hat AI Inference Server 3.2 redhat:ai_inference_server | from 1780681984 not affected | CNA record |
Red Hat Red Hat Ceph Storage 8 redhat:ceph_storage | from 1774002867 not affected | CNA record |
Red Hat Red Hat Discovery 2 redhat:discovery | from 1775668717 not affected | CNA record |
Red Hat Red Hat Hardened Images redhat:hummingbird | from 3.8.12-1.1.hum1 not affected | CNA record |
Red Hat Red Hat Insights proxy 1.5 redhat:insights_proxy | from 1773685509 not affected | CNA record |
Red Hat Red Hat Update Infrastructure 5 redhat:rhui | from 1773670073 not affected | CNA record |
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift | 4 | CNA record |
Siemens SIMATIC CN 4100 siemens:simatic_cn_4100 (from the name) | before V5.0 | CISA ADP |
References
- https://access.redhat.com/errata/RHSA-2026:13812vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:16008vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:16009vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:16174vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:25096vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:30849vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:30850vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:33125vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:3477vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:4188vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:4655vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:4943vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:5585vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:5606vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:6618vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:6630vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:6737vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:6738vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:7329vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:7335vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:7477vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:82347vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:82354vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:82372vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:82857vendor-advisory, x-refsource-redhat
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.