Buffer overflow in Oisf Suricata
CVE-2026-22262
Suricata is a network IDS, IPS and NSM engine. While saving a dataset a stack buffer is used to prepare the data. Prior to versions 8.0.3 and 7.0.14, if the data in the dataset is too large, this can result in a stack overflow. Versions 8.0.3 and 7.0.14 contain a patch. As a workaround, do not use rules with datasets `save` nor `state` options.
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: 0.005 (43.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.8% 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: 0.005 · change: +0.001
Affected products
- Oisf Suricata — versions < 7.0.14, >= 8.0.0, < 8.0.3
Weakness classification (CWE)
References
- github.com/OISF/suricata/security/advisories/GHSA-9qg5-2gwh-xp86 (Vendor Advisory)
- github.com/OISF/suricata/commit/0eff24213763c2aa2bb0957901d5dc1e18414dbf (Patch)
- github.com/OISF/suricata/commit/27a2180bceaa3477419c78c54fce364398d011f1 (Patch)
- github.com/OISF/suricata/commit/32609e6896f9079c175665a94005417cec7637eb (Patch)
- github.com/OISF/suricata/commit/32a1b9ae6aa80a60c073897e38a2ac6ea0f64521 (Patch)
- github.com/OISF/suricata/commit/d6bc718e303ecbec5999066b8bc88eeeca743658 (Patch)
- github.com/OISF/suricata/commit/d767dfadcd166f82683757818b9e46943326ac90 (Patch)
- redmine.openinfosecfoundation.org/issues/8110 (Permissions Required)
Frequently asked questions
- What is CVE-2026-22262?
- CVE-2026-22262 is a medium-severity vulnerability in Oisf Suricata, classified under Stack-based Buffer Overflow. CVSS score: 5.9/10. Published 2026-01-27.
- How severe is CVE-2026-22262?
- Medium severity. CVSS v3 base score is 5.9 out of 10.