CVE-2026-22261 — Suricata eve/alert: http1 xff handling can lead to denial of service
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 …
Published: 2026-01-27 · CVSS: 3.7 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7