SUSE-SU-2026:24405-1: important: Security update for cyrus-sasl

[SLE-SECURITY-UPDATES]

# Security update for cyrus-sasl

Announcement ID: SUSE-SU-2026:24405-1  
Release Date: 2026-10-21T05:48:33Z  
Rating: important  
References:

  * bsc#1221863
  * bsc#1230111
  * bsc#1247498
  * bsc#1284687
  * jsc#PED-14856

  
Cross-References:

  * CVE-2026-107161

  
CVSS scores:

  * CVE-2026-107161 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-107161 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Micro 6.2

  
  
An update that solves one vulnerability, contains one feature and has three
fixes can now be installed.

## Description:

This update for cyrus-sasl fixes the following issues:

Security issue fixed:

  * CVE-2026-107161: Heap buffer overflow in cyrus-sasl add_to_challenge()
    allows malicious server to crash or compromise DIGEST-MD5 clients
    (bsc#1284687).

Non security issues fixed:

  * Fix cyrus-sasl package failing to build with GCC 14 (bsc#1221863).
  * Replace insecure MD5 with ephemeral HMAC-SHA256 (bsc#1247498).
  * Make DIGEST-MD5 work with openssl3 (bsc#1230111).

## 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 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-1950

## Package List:

  * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
    * libsasl2-3-debuginfo-2.1.28-160000.4.1
    * cyrus-sasl-digestmd5-debuginfo-2.1.28-160000.4.1
    * cyrus-sasl-debuginfo-2.1.28-160000.4.1
    * cyrus-sasl-debugsource-2.1.28-160000.4.1
    * cyrus-sasl-gssapi-2.1.28-160000.4.1
    * cyrus-sasl-gssapi-debuginfo-2.1.28-160000.4.1
    * cyrus-sasl-digestmd5-2.1.28-160000.4.1
    * libsasl2-3-2.1.28-160000.4.1
    * cyrus-sasl-2.1.28-160000.4.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-107161.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1221863
  * https://bugzilla.suse.com/show_bug.cgi?id=1230111
  * https://bugzilla.suse.com/show_bug.cgi?id=1247498
  * https://bugzilla.suse.com/show_bug.cgi?id=1284687
  * https://jira.suse.com/browse/PED-14856

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