CVE-2023-4256

    Dashboard / Vulnerabilities / CVE-2023-4256

    CVE-2023-4256

    Published: 21 Dec 2023Last Modified: 12 Aug 2026

    Summary: Tcpreplay: tcprewrite: double free in tcpedit_dlt_cleanup() in plugins/dlt_plugins.c

    Details: Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a specifically crafted file to the tcprewrite binary. This flaw enables a local attacker to initiate a Denial of Service (DoS) attack.

    References: https://lists.fedoraproject.org/archives/list/[email protected]/message/EHUILQV2YJI5TXXXJA5FQ2HJQGFT7NTN/, https://lists.fedoraproject.org/archives/list/[email protected]/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/, https://lists.fedoraproject.org/archives/list/[email protected]/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/, https://packages.fedoraproject.org/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4256.json, https://nvd.nist.gov/vuln/detail/CVE-2023-4256, https://bugzilla.redhat.com/show_bug.cgi?id=2255212, https://github.com/appneta/tcpreplay/issues/813

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- bcb107a7ea96d4efbfc93d2de55962be6ccd37cb
    Fixed -None

    Affected versions

    4.4.3
    4.4.4

    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-2023-4256 | CVE-DB