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.

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2025-20119-1 advisory.

    - update to 4.5.2:
      * features added since 4.4.4
        - fix/recalculate header checksum for ipv6-frag
        - IPv6 frag checksum support
        - AF_XDP socket support
        - tcpreplay -w (write into a pcap file)
        - tcpreplay --fixhdrlen
        - --include and --exclude options
        - SLL2 support
        - Haiku support
      * security fixes reported for 4.4.4 fixed in 4.5.2
        - CVE-2023-4256  / bsc#1218249
        - CVE-2023-43279 / bsc#1221324
        - CVE-2024-3024  / bsc#1222131 (likely)
        - CVE-2024-22654 / bsc#1243845
        - CVE-2025-9157  / bsc#1248322
        - CVE-2025-9384  / bsc#1248595
        - CVE-2025-9385  / bsc#1248596
        - CVE-2025-9386  / bsc#1248597
        - CVE-2025-9649  / bsc#1248964
        - CVE-2025-51006 / bsc#1250356

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2023-4256)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7231-1 advisory.

    It was discovered that Tcpreplay incorrectly handled memory when using the tcprewrite utility. A remote     attacker could possibly use this issue to cause Tcpreplay to crash, resulting in a denial of service.
    (CVE-2023-27783)

    It was discovered that Tcpreplay incorrectly validated external input. A remote attacker could possibly     use this issue to cause Tcpreplay to crash, resulting in a denial of service. (CVE-2023-27784,     CVE-2023-27785, CVE-2023-27786, CVE-2023-27787, CVE-2023-27788, CVE-2023-27789)

    It was discovered that Tcpreplay incorrectly handled memory when using the tcprewrite utility. An attacker     could possibly use this issue to cause Tcpreplay to crash, resulting in a denial of service.
    (CVE-2023-4256, CVE-2023-43279)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-96903c39cb advisory.

    Patch CVE-2023-4256 and CVE-2023-43279

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-ec1fba69c2 advisory.

    Patch CVE-2023-4256 and CVE-2023-43279

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-b3b2a95168 advisory.

    Patch CVE-2023-4256 and CVE-2023-43279

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
277019	openSUSE 16 Security Update : tcpreplay (openSUSE-SU-2025-20119-1)	Nessus	SuSE Local Security Checks	Local	medium
226600	Linux Distros Unpatched Vulnerability : CVE-2023-4256	Nessus	Misc.	Local	medium
214723	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : Tcpreplay vulnerabilities (USN-7231-1)	Nessus	Ubuntu Local Security Checks	Local	high
194587	Fedora 40 : tcpreplay (2024-96903c39cb)	Nessus	Fedora Local Security Checks	Local	medium
192516	Fedora 39 : tcpreplay (2024-ec1fba69c2)	Nessus	Fedora Local Security Checks	Local	medium
192514	Fedora 38 : tcpreplay (2024-b3b2a95168)	Nessus	Fedora Local Security Checks	Local	medium

Detections

Analytics

CVE-2023-4256

medium

Tenable Plugins

medium

medium

high

medium

medium

medium