Buffer overflow in Oisf Suricata
CVE-2024-55627
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during initialization with memset due to an unsigned integer underflow. The issue has been addressed in Suricata 7.0.8.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.010 (62.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · 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-h2mv-7gg8-8x7v (Vendor Advisory)
- github.com/OISF/suricata/commit/282509f70c4ce805098e59535af445362e3e9ebd (Patch)
- github.com/OISF/suricata/commit/8900041405dbb5f9584edae994af2100733fb4be (Patch)
- github.com/OISF/suricata/commit/9a53ec43b13f0039a083950511a18bf6f408e432 (Patch)
- redmine.openinfosecfoundation.org/issues/7393 (Permissions Required)
Frequently asked questions
- What is CVE-2024-55627?
- CVE-2024-55627 is a medium-severity vulnerability in Oisf Suricata, classified under Heap-based Buffer Overflow. CVSS score: 5.9/10. Published 2025-01-06.
- How severe is CVE-2024-55627?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2024-55627 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.