AZL-34937

    Dashboard / Vulnerabilities / AZL-34937

    AZL-34937

    Published: 25 Aug 2023Last Modified: 21 Apr 2026
    Upstream:

    Summary: CVE-2023-38712 affecting package libreswan for versions less than 4.7-6

    Details: An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.

    Affected packages

    Package

    Name: libreswan

    Purl: pkg:rpm/azure-linux/libreswan

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.7-6

    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
    AZL-34937 | CVE-DB