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CVE-2024-23837

LibHTP unbounded folded header handling leads to denial service

Published: Feb 26, 2024Updated: Nov 3, 2025 Sources: CVE List NVD BDUCWE-770
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.2%
Top 36.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

LibHTP is a security-aware parser for the HTTP protocol. Crafted traffic can cause excessive processing time of HTTP headers, leading to denial of service. This issue is addressed in 0.5.46.

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
Open in CVSS calculator →

Weaknesses

CWE-770

Affected Products

FedoraFedora Project
On-premOS
Operating Systems / linux-distro
Kaspersky Anti Targeted Attack PlatformАО «Лаборатория Касперского»Security Products
Kaspersky Endpoint Detection and ResponseАО «Лаборатория Касперского»Security Products
SuricataOpen Information Security Foundation
On-prem
Security Products / vuln-mgmt-scanner
LibHTPOpen Information Security Foundation
On-prem
Security Products / vuln-mgmt-scanner
fedora projectoss-projectUSOperating Systemsaka fedora
ао «лаборатория касперского»commercialRUSecurity Productsaka kaspersky, ao laboratoriya kasperskogo
open information security foundationoss-projectSecurity Productsaka ofis, suricata, libhtp
and 4 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/OISF/libhtp/security/advisories/GHSA-f9wf-rrjj-qx8m
github.com
https://github.com/OISF/libhtp/commit/20ac301d801cdf01b3f021cca08a22a87f477c4a
github.com
https://redmine.openinfosecfoundation.org/issues/6444
redmine.openinfosecfoundation.org
and 9 more references View all →

Timeline

Published
Feb 26, 2024
Last Updated
Nov 3, 2025

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