CVE-2024-45797 HIGH

CVE-2024-45797: LibHTP's unbounded header handling leads to denial service

Vendor Oisf
Product libhtp
Weakness CWE-770 · Uncontrolled resource consumption
Published October 16, 2024
Last update November 3, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 16, 2024 CVE published
November 3, 2025 Record updated