SUSE alert SUSE-SU-2025:20665-1 (gnutls)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2025:20665-1: important: Security update for gnutls
Date:
             
 
Wed, 10 Sep 2025 20:36:52 -0000
Message-ID:
             
 
<175753661223.10185.5791559716140378454@smelt2.prg2.suse.org>


# Security update for gnutls

Announcement ID: SUSE-SU-2025:20665-1  
Release Date: 2025-08-29T09:13:16Z  
Rating: important  
References:

  * bsc#1246232
  * bsc#1246233
  * bsc#1246267
  * bsc#1246299

  
Cross-References:

  * CVE-2025-32988
  * CVE-2025-32989
  * CVE-2025-32990
  * CVE-2025-6395

  
CVSS scores:

  * CVE-2025-32988 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-32988 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-32988 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2025-32988 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2025-32989 ( SUSE ):  8.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-32989 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2025-32989 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2025-32990 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-32990 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
  * CVE-2025-32990 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  * CVE-2025-32990 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2025-6395 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-6395 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-6395 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for gnutls fixes the following issues:

  * CVE-2025-32988: Fixed double-free due to incorrect ownership handling in the
    export logic of SAN entries containing an otherName (bsc#1246232).
  * CVE-2025-32989: Fixed heap buffer overread when handling the CT SCT
    extension during X.509 certificate parsing (bsc#1246233).
  * CVE-2025-32990: Fixed 1-byte heap buffer overflow when parsing templates
    with certtool (bsc#1246267).
  * CVE-2025-6395: Fixed NULL pointer dereference when 2nd Client Hello omits
    PSK (bsc#1246299).

## 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 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-243=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * gnutls-debuginfo-3.8.3-slfo.1.1_4.1
    * libgnutls30-debuginfo-3.8.3-slfo.1.1_4.1
    * gnutls-3.8.3-slfo.1.1_4.1
    * gnutls-debugsource-3.8.3-slfo.1.1_4.1
    * libgnutls30-3.8.3-slfo.1.1_4.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-32988.html
  * https://www.suse.com/security/cve/CVE-2025-32989.html
  * https://www.suse.com/security/cve/CVE-2025-32990.html
  * https://www.suse.com/security/cve/CVE-2025-6395.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1246232
  * https://bugzilla.suse.com/show_bug.cgi?id=1246233
  * https://bugzilla.suse.com/show_bug.cgi?id=1246267
  * https://bugzilla.suse.com/show_bug.cgi?id=1246299



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