ALSA-2023:2645

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    ALSA-2023:2645

    Published: 9 May 2023Last Modified: 4 Feb 2026

    Summary: Moderate: openssh security update

    Details: OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fix(es): * openssh: the functions order_hostkeyalgs() and list_hostkey_types() leads to double-free vulnerability (CVE-2023-25136) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    References: https://access.redhat.com/errata/RHSA-2023:2645, https://access.redhat.com/security/cve/CVE-2023-25136, https://bugzilla.redhat.com/2167636, https://errata.almalinux.org/9/ALSA-2023-2645.html

    Affected packages

    Package

    Name: openssh

    Purl: pkg:rpm/almalinux/openssh

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -8.7p1-29.el9_2

    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
    ALSA-2023:2645 | CVE-DB