CVE-2025-14831 — Inefficient Algorithmic Complexity in Gnutls28

CWE-407 — Inefficient Algorithmic Complexity11 documents8 sources
Severity
5.3MEDIUMNVD
EPSS
0.1%
top 81.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Debian Gnutls28
Timeline
PublishedFeb 9
Latest updateFeb 16

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages1 packages

▶debiandebian/gnutls28< gnutls28 3.7.9-2+deb12u6 (bookworm)

🔴Vulnerability Details

3
OSV
gnutls28 vulnerabilities↗2026-02-16
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OSV
CVE-2025-14831: A flaw was found in GnuTLS↗2026-02-09
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GHSA
GHSA-pm8w-jq9r-x5rp: A flaw was found in GnuTLS↗2026-02-09
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📋Vendor Advisories

3
Ubuntu
GnuTLS vulnerabilities↗2026-02-16
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Red Hat
gnutls: GnuTLS: Denial of Service via excessive resource consumption during certificate verification↗2026-02-09
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Debian
CVE-2025-14831: gnutls28 - A flaw was found in GnuTLS. This vulnerability allows a denial of service (DoS) ...↗2025
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🕵️Threat Intelligence

3
Wiz
CVE-2025-14831 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2025-9820 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2026-1584 Impact, Exploitability, and Mitigation Steps | Wiz↗
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💬Community

1
Bugzilla
CVE-2025-14831 gnutls: GnuTLS: Denial of Service via excessive resource consumption during certificate verification↗2025-12-17
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