SUSE-SU-2026:4004-1

    Dashboard / Vulnerabilities / SUSE-SU-2026:4004-1

    SUSE-SU-2026:4004-1

    Published: 7 Sept 2026Last Modified: 13 Sept 2026

    Summary: Security update for libvirt

    Details: This update for libvirt fixes the following issues: - CVE-2026-18917: Integer overflow in NodeGetFreePages RPC handler leading to heap buffer overflow (bsc#1275863). - CVE-2026-61477: newline injection in network XML DNS TXT/SRV fields allows dnsmasq config directive injection (bsc#1274576). - CVE-2026-63622: `swtpm` privilege escalation via symlink following (bsc#1275264). - CVE-2026-63623: information disclosure via world-readable storage volume images during clone/convert (bsc#1275265). - CVE-2026-77159: root `chown()` on `swtpm` logfile follows symlinks (bsc#1274946).

    References: https://www.suse.com/support/update/announcement/2026/suse-su-20264004-1/, https://bugzilla.suse.com/1274576, https://bugzilla.suse.com/1274946, https://bugzilla.suse.com/1275264, https://bugzilla.suse.com/1275265, https://bugzilla.suse.com/1275863, https://www.suse.com/security/cve/CVE-2026-18917, https://www.suse.com/security/cve/CVE-2026-61477, https://www.suse.com/security/cve/CVE-2026-63622, https://www.suse.com/security/cve/CVE-2026-63623, https://www.suse.com/security/cve/CVE-2026-77159

    Affected packages

    Package

    Name: libvirt

    Purl: pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Micro%205.3

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -8.0.0-150400.7.17.1

    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-2026:4004-1 | CVE-DB