Improper Handling of Exceptional Conditions vulnerability in Daurnimator lua-http library allows Excessive Allocation and a denial of service (DoS) attack to be executed by sending a properly crafted request to the server. Such a request causes the program to enter an infinite loop. This issue affects lua-http: all versions before commit ddab283.

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

  - Improper Handling of Exceptional Conditions vulnerability in Daurnimator lua-http library allows Excessive     Allocation and a denial of service (DoS) attack to be executed by sending a properly crafted request to     the server. Such a request causes the program to enter an infinite loop. This issue affects lua-http: all     versions before commit ddab283. (CVE-2023-4540)

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

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-0db06733a2 advisory.

    Automatic update for lua-http-0.3-17.fc43.

    ##### **Changelog**

    ```
    * Mon May 26 2025 Jakub Ruika <jakub.ruzicka@nic.cz> - 0.3-17
    - Fix CVE-2023-4540 (rhbz#2237419)

    ```

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

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

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Improper Handling of Exceptional Conditions vulnerability in Daurnimator lua-http library allows Excessive
    Allocation and a denial of service (DoS) attack to be executed by sending a properly crafted request to
    the server. Such a request causes the program to enter an infinite loop. This issue affects lua-http: all
    versions before commit ddab283. (CVE-2023-4540)

ID	Name	Product	Family	Type	Severity
253241	Linux Distros Unpatched Vulnerability : CVE-2023-4540	Nessus	Misc.	Local	high
249151	Fedora 43 : lua-http (2025-0db06733a2)	Nessus	Fedora Local Security Checks	Local	high
405475	Alpine: multiple lua-http packages: security update to 0.4-r2	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	high
405475	Alpine: multiple lua-http packages: security update to 0.4-r2	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	high
401379	Alpine: multiple lua-http packages: security update to 0.4-r1 (deprecated)	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	high
401379	Alpine: multiple lua-http packages: security update to 0.4-r1 (deprecated)	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	high

Detections

Analytics

CVE-2023-4540

high

Tenable Plugins

high

high

high

high

high

high