Inefficient Algorithmic Complexity in Red Hat Red Hat Enterprise Linux 10 (CVE-2025-14831)
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).
AI Analysis
Technical Summary
The GnuTLS library in Red Hat Enterprise Linux 10.0 Extended Update Support contains a vulnerability (CVE-2025-14831) that can be triggered by excessive resource consumption during certificate verification, leading to denial of service. This vulnerability is rated as medium severity with a CVSS vector indicating network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability. Red Hat has released updated gnutls packages to fix this issue.
Potential Impact
Successful exploitation of this vulnerability can cause denial of service by exhausting resources during certificate verification in GnuTLS, impacting availability of affected systems. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Red Hat has released updated gnutls packages for Red Hat Enterprise Linux 10.0 Extended Update Support to address this vulnerability. Users should apply the official security update as described in Red Hat advisory RHSA-2026:6618. Patch status is confirmed as an official fix available from Red Hat.
Inefficient Algorithmic Complexity in Red Hat Red Hat Enterprise Linux 10 (CVE-2025-14831)
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).
CVSS v3.1
Score 5.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The GnuTLS library in Red Hat Enterprise Linux 10.0 Extended Update Support contains a vulnerability (CVE-2025-14831) that can be triggered by excessive resource consumption during certificate verification, leading to denial of service. This vulnerability is rated as medium severity with a CVSS vector indicating network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability. Red Hat has released updated gnutls packages to fix this issue.
Potential Impact
Successful exploitation of this vulnerability can cause denial of service by exhausting resources during certificate verification in GnuTLS, impacting availability of affected systems. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Red Hat has released updated gnutls packages for Red Hat Enterprise Linux 10.0 Extended Update Support to address this vulnerability. Users should apply the official security update as described in Red Hat advisory RHSA-2026:6618. Patch status is confirmed as an official fix available from Red Hat.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:6737
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a1f4e86e29bf47b5007e4f5
Added to database: 06/02/2026, 21:43:34 UTC
Last enriched: 06/25/2026, 23:09:14 UTC
Last updated: 07/31/2026, 19:22:53 UTC
Views: 128
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