CVE-2024-23837

HIGH

libhtp < 0.5.46 - Denial of Service via HTTP Header Processing

Title source: llm

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.

References (6)

Core 6

Core References

Mailing List

https://lists.debian.org/debian-lts-announce/2025/09/msg00009.html

Mailing List

https://lists.fedoraproject.org/archives/list/[email protected]/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/

Mailing List

https://lists.fedoraproject.org/archives/list/[email protected]/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/

Vendor Advisory x_refsource_confirm

https://github.com/OISF/libhtp/security/advisories/GHSA-f9wf-rrjj-qx8m

Patch x_refsource_misc

https://github.com/OISF/libhtp/commit/20ac301d801cdf01b3f021cca08a22a87f477c4a

View Patch ZIP pw:eip

Exploit x_refsource_misc

https://redmine.openinfosecfoundation.org/issues/6444

Scores

CVSS v3 7.5

EPSS 0.0119

EPSS Percentile 64.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (3)

fedoraproject/fedora 38

fedoraproject/fedora 39

oisf/libhtp < 0.5.46

Published Feb 26, 2024

Tracked Since Feb 18, 2026