High severity · published Feb 26, 2024
CVE-2024-23837
LibHTP is a security-aware parser for the HTTP protocol
7.5
CVSS
1.2%
EPSS
No
On KEV
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
38; 39 · source: NVD
LI
Libhtp · Oisf
before 0.5.46 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-23837
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-23837
Patch
https://github.com/OISF/libhtp/commit/20ac301d801cdf01b3f021cca08a22a87f477c4a
Vendor Advisory
https://github.com/OISF/libhtp/security/advisories/GHSA-f9wf-rrjj-qx8m
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/
Exploit
https://redmine.openinfosecfoundation.org/issues/6444
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/09/msg00009.html
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