CVE-2026-22261
LOW severity · CVSS 3.7 · CWE-1050
3.7CVSS LOW
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/OISF/suricata/commit/3f0725b34c7871c2de4346c8af872f10f4501e44 ↗
Additional information
- NVD record
- https://github.com/OISF/suricata/commit/3f0725b34c7871c2de4346c8af872f10f4501e44Patch
- https://github.com/OISF/suricata/commit/af246ae7ab1b70c09f83c0619b253095ccc18667Patch
- https://github.com/OISF/suricata/security/advisories/GHSA-5jvg-5j3p-34cfAdvisory
- https://redmine.openinfosecfoundation.org/issues/8156