SUSE-SU-2021:1845-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:1845-1

    SUSE-SU-2021:1845-1

    Published: 3 Jun 2021Last Modified: 4 Feb 2026

    Summary: Security update for avahi

    Details: This update for avahi fixes the following issues: - CVE-2021-3468: avoid infinite loop by handling HUP event in client_work (bsc#1184521). - CVE-2021-26720: drop privileges when invoking avahi-daemon-check-dns.sh (bsc#1180827) - Update avahi-daemon-check-dns.sh from Debian. Our previous version relied on ifconfig, route, and init.d. - Add sudo to requires: used to drop privileges.

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20211845-1/, https://bugzilla.suse.com/1180827, https://bugzilla.suse.com/1184521, https://www.suse.com/security/cve/CVE-2021-26720, https://www.suse.com/security/cve/CVE-2021-3468

    Affected packages

    Package

    Name: avahi

    Purl: pkg:rpm/suse/avahi&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.6.32-5.13.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    SUSE-SU-2021:1845-1 | CVE-DB