Resource exhaustion in Oisf Libhtp
CVE-2024-23837
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Oisf Libhtp — versions < 0.5.46
- Fedoraproject Fedora — versions 38, 39
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/OISF/libhtp/security/advisories/GHSA-f9wf-rrjj-qx8m (Vendor Advisory)
- github.com/OISF/libhtp/commit/20ac301d801cdf01b3f021cca08a22a87f477c4a (Patch)
- redmine.openinfosecfoundation.org/issues/6444 (Exploit)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-23837?
- CVE-2024-23837 is a high-severity vulnerability in Oisf Libhtp, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2024-02-26.
- How severe is CVE-2024-23837?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-23837 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.