Vulnerability in Oisf Suricata
CVE-2026-22261
Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, various inefficiencies in xff handling, especially for alerts not triggered in a tx, can lead to severe slowdowns. Versions 8.0.3 and 7.0.14 contain a patch…
EPSS: 0.003 (23.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Oisf Suricata — versions < 7.0.14, >= 8.0.0, < 8.0.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Permissions Required, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-22261?
- CVE-2026-22261 is a low-severity vulnerability in Oisf Suricata, classified under CWE-1050. CVSS score: 3.7/10. Published 2026-01-27.
- How severe is CVE-2026-22261?
- Low severity. CVSS v3 base score is 3.7 out of 10.