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Debian dsa-6140 : gnutls-bin - security update

medium Nessus Plugin ID 299381

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6140 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6140-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 18, 2026 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : gnutls28 CVE ID : CVE-2025-14831

 Tim Scheckenbach reported a flaw in GnuTLS, a library implementing the TLS and SSL protocols. Processing of specially crafted certificates containing a large number of name constraints may result in denial of service (resource exhaustion).

 For the oldstable distribution (bookworm), this problem has been fixed in version 3.7.9-2+deb12u6. This update also includes a fix for CVE-2025-9820.

 For the stable distribution (trixie), this problem has been fixed in version 3.8.9-3+deb13u2.

 We recommend that you upgrade your gnutls28 packages.

 For the detailed security status of gnutls28 please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/gnutls28

 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

 Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the gnutls-bin packages.

See Also

https://security-tracker.debian.org/tracker/source-package/gnutls28

https://security-tracker.debian.org/tracker/CVE-2025-14831

https://security-tracker.debian.org/tracker/CVE-2025-9820

https://packages.debian.org/source/bookworm/gnutls28

https://packages.debian.org/source/trixie/gnutls28

Plugin Details

Severity: Medium

ID: 299381

File Name: debian_DSA-6140.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/18/2026

Updated: 2/18/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2025-14831

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:libgnutlsxx30, p-cpe:/a:debian:debian_linux:libgnutls30, p-cpe:/a:debian:debian_linux:libgnutls-dane0t64, p-cpe:/a:debian:debian_linux:gnutls-doc, p-cpe:/a:debian:debian_linux:libgnutls28-dev, p-cpe:/a:debian:debian_linux:libgnutls-openssl27, p-cpe:/a:debian:debian_linux:guile-gnutls, p-cpe:/a:debian:debian_linux:libgnutls-openssl27t64, p-cpe:/a:debian:debian_linux:libgnutls-dane0, p-cpe:/a:debian:debian_linux:libgnutls30t64, p-cpe:/a:debian:debian_linux:gnutls-bin

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 2/18/2026

Vulnerability Publication Date: 11/21/2025

Reference Information

CVE: CVE-2025-14831, CVE-2025-9820