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CVE-2024-45797

LibHTP's unbounded header handling leads to denial service

Published: Oct 16, 2024Updated: Nov 3, 2025 Sources: CVE List NVDCWE-770
7.5HIGH
NVD MITRE
EPSS Score
0.7%
Top 51.3%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-770

Affected Products

OISF
oss-projectaka suricata-update, libhtp, suricata
libhtpOn-premLibrary
Networking Infrastructure / firewall
and 1 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

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