{"cve":"CVE-2026-22261","nvd":{"published":"2026-01-27T19:16:14.173","modified":"2026-06-17T10:19:39.337","status":"Analyzed","description":"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. As a workaround, disable XFF support in the eve configuration. The setting is disabled by default.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-1050"],"references":["https://github.com/OISF/suricata/commit/3f0725b34c7871c2de4346c8af872f10f4501e44","https://github.com/OISF/suricata/commit/af246ae7ab1b70c09f83c0619b253095ccc18667","https://github.com/OISF/suricata/security/advisories/GHSA-5jvg-5j3p-34cf","https://redmine.openinfosecfoundation.org/issues/8156"],"products":["oisf:suricata"],"source":"nvd","synced_at":"2026-10-19T22:21:16.563232421+00:00"},"epss":{"cve":"CVE-2026-22261","score":0.0037,"percentile":0.3096,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}