SUSE-SU-2026:4943-1: moderate: Security update for gnutls

[SLE-SECURITY-UPDATES]

# Security update for gnutls

Announcement ID: SUSE-SU-2026:4943-1  
Release Date: 2026-10-29T16:29:18Z  
Rating: moderate  
References:

  * bsc#1257960

  
Cross-References:

  * CVE-2025-14831

  
CVSS scores:

  * CVE-2025-14831 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-14831 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-14831 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

  
Affected Products:

  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for gnutls fixes the following issue:

  * CVE-2025-14831: excessive resource consumption when verifying specially
    crafted malicious certificates containing a large number of name constraints
    and subject alternative names (bsc#1257960).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-4943

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * gnutls-debuginfo-3.3.27-3.24.1
    * libgnutls28-debuginfo-3.3.27-3.24.1
    * gnutls-debugsource-3.3.27-3.24.1
    * libgnutls28-32bit-3.3.27-3.24.1
    * libgnutls-openssl-devel-3.3.27-3.24.1
    * libgnutls28-3.3.27-3.24.1
    * libgnutls28-debuginfo-32bit-3.3.27-3.24.1
    * libgnutls-devel-3.3.27-3.24.1
    * libgnutls-openssl27-3.3.27-3.24.1
    * libgnutlsxx-devel-3.3.27-3.24.1
    * libgnutls-openssl27-debuginfo-3.3.27-3.24.1
    * gnutls-3.3.27-3.24.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-14831.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1257960

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