CVE-2024-45797

LibHTP's unbounded header handling leads to denial service

State: Published
Severity: 7.5 High
Published: Oct 16, 2024
Updated: Nov 3, 2025
Reserved: Sep 9, 2024

Description

LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Prior to version 0.5.49, unbounded processing of HTTP request and response headers can lead to excessive CPU time and memory utilization, possibly leading to extreme slowdowns. This issue is addressed in 0.5.49.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
libhtpOISF	< 0.5.49Affected

References

https://github.com/OISF/libhtp/security/advisories/GHSA-rqqp-24ch-248f
https://redmine.openinfosecfoundation.org/issues/7191
https://lists.debian.org/debian-lts-announce/2025/09/msg00009.html

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