# CVE-2023-4540: lua-http: Improper Handling of Exceptional Conditions vulnerability in Daurnimator lua-http library allows Excessive Allocation...

CVE-2023-4540 is fixed in lua-http on 1 platform, first by DEBIAN-CVE-2023-4540, released September 5, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-4540
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0109
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 5, 2023

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | lua-http Debian 13.5 (trixie) | 0.4-2 | [DEBIAN-CVE-2023-4540](https://patchblox.com/security/data/fix/linux/debian-cve-2023-4540.md) | Sep 5, 2023 |
| Linux | lua-http Debian 14 | 0.4-2 | [DEBIAN-CVE-2023-4540](https://patchblox.com/security/data/fix/linux/debian-cve-2023-4540.md) | Sep 5, 2023 |

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