Buffer overflow in Oisf Suricata
CVE-2026-22260
Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, Suricata can crash with a stack overflow. Version 8.0.3 patches the issue. As a workaround, use default values for `request-body-limit` and `response-body-limit`.
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: 0.006 (44.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.000
Affected products
- Oisf Suricata — versions >= 8.0.0, < 8.0.3
Weakness classification (CWE)
References
- github.com/OISF/suricata/security/advisories/GHSA-3gm8-84cm-5x22 (Vendor Advisory)
- github.com/OISF/suricata/commit/0dddac7278c8b9cf3c1e4c1c71e620a78ec1c185 (Patch)
- redmine.openinfosecfoundation.org/issues/8185 (Permissions Required)
Frequently asked questions
- What is CVE-2026-22260?
- CVE-2026-22260 is a high-severity vulnerability in Oisf Suricata, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2026-01-27.
- How severe is CVE-2026-22260?
- High severity. CVSS v3 base score is 7.5 out of 10.