CVE-2023-4540highCWE-755

CVE-2023-4540: high-severity vulnerability in Daurnimator lua-http

DoS in lua-http library

Published 05 Sep 2023 · Updated 04 Apr 2025

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 1.1%

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Daurnimator · lua-http

References

https://cert.pl/en/posts/2023/09/CVE-2023-4540/https://cert.pl/posts/2023/09/CVE-2023-4540/https://github.com/daurnimator/lua-http/commit/ddab2835c583d45dec62680ca8d3cbde55e0bae6 https://https://cert.pl/en/posts/2023/09/CVE-2023-4540/