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 (Oct 27, 2026, 5:00 AM ET)

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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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Every CVE for Red Hat Enterprise Linux 10

Exploited in the last 30 days

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

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
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support redhat:rhel_aus	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
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service redhat:rhel_e4s	from 0:3.6.16-7.el8_8.4 not affected	CNA record
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service redhat:rhel_tus	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
1–10 of 17

References

References

https://access.redhat.com/errata/RHSA-2026:13812	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:16008	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:16009	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:16174	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:25096	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:30849	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:30850	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:33125	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:3477	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:4188	vendor-advisory, x-refsource-redhat
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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.