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.

Vulnerability 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` an…

EPSS: 0.000 (6.7th percentile) — read the EPSS interpretation.

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.

Affected products

Oisf Suricata — versions >= 8.0.0, < 8.0.3

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

https://github.com/OISF/suricata/security/advisories/GHSA-3gm8-84cm-5x22 (x_refsource_CONFIRM)
https://github.com/OISF/suricata/commit/0dddac7278c8b9cf3c1e4c1c71e620a78ec1c185 (x_refsource_MISC)
https://redmine.openinfosecfoundation.org/issues/8185 (x_refsource_MISC)

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.