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CVE-2026-22261
3.7 LOW
- CVSS version: 3.1
- Attack vector (AV): NETWORK
- Attack complexity (AC): HIGH
- Privileges required (PR): NONE
- User interaction (UI): NONE
- Scope (S): UNCHANGED
- Confidentiality impact (C): NONE
- Integrity impact (I): NONE
- Availability impact (A): LOW
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 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.
References
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https://github.com/OISF/suricata/security/advisories/GHSA-5jvg-5j3p-34cf x_refsource_CONFIRM
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https://redmine.openinfosecfoundation.org/issues/8156 x_refsource_MISC
Affected products
suricata
- ==< 7.0.14
- ==>= 8.0.0, < 8.0.3
Package maintainers
-
@magenbluten magenbluten <magenbluten@codemonkey.cc>