CVE-2023-4813

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    CVE-2023-4813

    Published: 12 Sept 2023Last Modified: 28 Aug 2026

    Summary: Glibc: potential use-after-free in gaih_inet()

    Details: A flaw has been identified in glibc. In an uncommon situation, the gaih_inet function may use memory that has been freed, resulting in an application crash. This issue is only exploitable when the getaddrinfo function is called and the hosts database in /etc/nsswitch.conf is configured with SUCCESS=continue or SUCCESS=merge.

    References: http://www.openwall.com/lists/oss-security/2023/10/03/8, https://access.redhat.com/downloads/content/package-browser/, https://access.redhat.com/errata/RHBA-2024:2413, https://access.redhat.com/errata/RHSA-2023:5453, https://access.redhat.com/errata/RHSA-2023:5455, https://access.redhat.com/errata/RHSA-2023:7409, https://access.redhat.com/security/cve/CVE-2023-4813, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4813.json, https://nvd.nist.gov/vuln/detail/CVE-2023-4813, https://security.netapp.com/advisory/ntap-20231110-0003/, https://bugzilla.redhat.com/show_bug.cgi?id=2237798

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -c804cd1c00adde061ca51711f63068c103e94eef

    Affected versions

    glibc-2.35
    glibc-2.35.9000

    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
    CVE-2023-4813 | CVE-DB