CVE-2024-45797

Name: CVE-2024-45797
Creator: NVD / NIST
Published: 2024-10-16T19:15:27.177+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2024-45797 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.70%

48.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Oisf	Libhtp	< 0.5.49

References

https://github.com/OISF/libhtp/security/advisories/GHSA-rqqp-24ch-248fExploit, Issue Tracking, Patch, Vendor Advisory
https://redmine.openinfosecfoundation.org/issues/7191Exploit, Issue Tracking, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/09/msg00009.html

Timeline

Published: Oct 16, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-45797?

How severe is CVE-2024-45797?

CVE-2024-45797 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2024-45797?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-45797?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST