SUSE-SU-2023:4663-1

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    SUSE-SU-2023:4663-1

    Published: 6 Dec 2023Last Modified: 4 Feb 2026

    Summary: Security update for frr

    Details: This update for frr fixes the following issues: - CVE-2023-47235: Fixed denial of service caused by malformed BGP UPDATE message with an EOR is processed (bsc#1216896). - CVE-2023-47234: Fixed denial of service caused by crafted BGP UPDATE message with a MP_UNREACH_NLRI attribute (bsc#1216897). - CVE-2023-38407: Fixed read beyond the end of the stream during labeled unicast parsing (bsc#1216899). - CVE-2023-38406: Fixed mishandling of nlri length of zero, aka a 'flowspec overflow (bsc#1216900).

    References: https://www.suse.com/support/update/announcement/2023/suse-su-20234663-1/, https://bugzilla.suse.com/1216896, https://bugzilla.suse.com/1216897, https://bugzilla.suse.com/1216899, https://bugzilla.suse.com/1216900, https://www.suse.com/security/cve/CVE-2023-38406, https://www.suse.com/security/cve/CVE-2023-38407, https://www.suse.com/security/cve/CVE-2023-47234, https://www.suse.com/security/cve/CVE-2023-47235

    Affected packages

    Package

    Name: frr

    Purl: pkg:rpm/suse/frr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -8.4-150500.4.15.1

    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-2023:4663-1 | CVE-DB