SUSE-SU-2025:4271-1: moderate: Security update for gnutls

[SLE-SECURITY-UPDATES]

# Security update for gnutls

Announcement ID: SUSE-SU-2025:4271-1  
Release Date: 2025-11-27T08:11:38Z  
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 Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.3

  
  
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 Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2025-4271=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2025-4271=1

## Package List:

  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * gnutls-debugsource-3.7.3-150400.19.1
    * libgnutls30-3.7.3-150400.19.1
    * libgnutls30-hmac-3.7.3-150400.19.1
    * gnutls-3.7.3-150400.19.1
    * libgnutls30-debuginfo-3.7.3-150400.19.1
    * gnutls-debuginfo-3.7.3-150400.19.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * gnutls-debugsource-3.7.3-150400.19.1
    * libgnutls30-3.7.3-150400.19.1
    * libgnutls30-hmac-3.7.3-150400.19.1
    * gnutls-3.7.3-150400.19.1
    * libgnutls30-debuginfo-3.7.3-150400.19.1
    * gnutls-debuginfo-3.7.3-150400.19.1

## References:

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

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