Resource exhaustion in Oisf Libhtp
CVE-2024-45797
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.
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: 0.007 (52.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Oisf Libhtp — versions < 0.5.49
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/OISF/libhtp/security/advisories/GHSA-rqqp-24ch-248f (Exploit, Patch, Issue Tracking, Vendor Advisory)
- redmine.openinfosecfoundation.org/issues/7191 (Exploit, Patch, Issue Tracking, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-45797?
- CVE-2024-45797 is a high-severity vulnerability in Oisf Libhtp, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2024-10-16.
- How severe is CVE-2024-45797?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-45797 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.