Resource exhaustion in Oisf Suricata
CVE-2024-55605
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a large input buffer to the to_lowercase, to_uppercase, strip_whitespace, compress_whitespace, dotprefix, header_lowercase, strip_pseudo_headers, url_decode, or xor transform can lead to a stack overflow causing Suricata to crash. The issue has been addressed in Suricata 7.0.8.
Vulnerability class: DoS (Denial of Service)
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 (49.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.3% 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 Suricata — versions < 7.0.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/OISF/suricata/security/advisories/GHSA-x2hr-33vp-w289 (Vendor Advisory)
- redmine.openinfosecfoundation.org/issues/7229 (Permissions Required)
Frequently asked questions
- What is CVE-2024-55605?
- CVE-2024-55605 is a high-severity vulnerability in Oisf Suricata, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-01-06.
- How severe is CVE-2024-55605?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-55605 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.