SUSE-SU-2025:21202-1: moderate: Security update for gnutls

[SLE-SECURITY-UPDATES]

# Security update for gnutls

Announcement ID: SUSE-SU-2025:21202-1  
Release Date: 2025-12-09T15:50:14Z  
Rating: moderate  
References:

  * bsc#1254132

  
Cross-References:

  * CVE-2025-9820

  
CVSS scores:

  * CVE-2025-9820 ( SUSE ):  4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for gnutls fixes the following issues:

  * CVE-2025-9820: Fixed buffer overflow in gnutls_pkcs11_token_init
    (bsc#1254132).

## 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 Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-533=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * gnutls-debugsource-3.8.3-5.1
    * libgnutls30-debuginfo-3.8.3-5.1
    * gnutls-debuginfo-3.8.3-5.1
    * gnutls-3.8.3-5.1
    * libgnutls30-3.8.3-5.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-9820.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1254132

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