Security update for avahi

Announcement ID: SUSE-SU-2026:2296-1
Release Date: 2026-06-08T10:16:33Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2026-34933 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-34933 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 avahi fixes the following issue:

  • CVE-2026-34933: reachable assertion in transport_flags_from_domain can crash the avahi-daemon (bsc#1261546).

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-2026-2296=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • avahi-debugsource-0.6.32-32.42.1
    • avahi-utils-debuginfo-0.6.32-32.42.1
    • libavahi-common3-debuginfo-0.6.32-32.42.1
    • avahi-debuginfo-32bit-0.6.32-32.42.1
    • avahi-debuginfo-0.6.32-32.42.1
    • libdns_sd-debuginfo-32bit-0.6.32-32.42.1
    • avahi-utils-0.6.32-32.42.1
    • libavahi-core7-debuginfo-0.6.32-32.42.1
    • avahi-compat-mDNSResponder-devel-0.6.32-32.42.1
    • libdns_sd-32bit-0.6.32-32.42.1
    • libavahi-core7-0.6.32-32.42.1
    • libdns_sd-debuginfo-0.6.32-32.42.1
    • libavahi-devel-0.6.32-32.42.1
    • libavahi-client3-32bit-0.6.32-32.42.1
    • libavahi-client3-0.6.32-32.42.1
    • avahi-compat-howl-devel-0.6.32-32.42.1
    • libavahi-common3-32bit-0.6.32-32.42.1
    • libavahi-client3-debuginfo-32bit-0.6.32-32.42.1
    • libavahi-client3-debuginfo-0.6.32-32.42.1
    • libavahi-common3-debuginfo-32bit-0.6.32-32.42.1
    • libdns_sd-0.6.32-32.42.1
    • libavahi-common3-0.6.32-32.42.1
    • avahi-0.6.32-32.42.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    • avahi-lang-0.6.32-32.42.1

References: