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.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_confirm
https://github.com/OISF/suricata/security/advisories/GHSA-5jvg-5j3p-34cf
Patch x_refsource_misc
https://github.com/OISF/suricata/commit/3f0725b34c7871c2de4346c8af872f10f4501e44
Patch x_refsource_misc
https://github.com/OISF/suricata/commit/af246ae7ab1b70c09f83c0619b253095ccc18667
Permissions Required x_refsource_misc
https://redmine.openinfosecfoundation.org/issues/8156
Scores
CVSS v3
3.7
EPSS
0.0008
EPSS Percentile
22.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1050
Status
published
Products (1)
oisf/suricata
< 7.0.14
Published
Jan 27, 2026
Tracked Since
Feb 18, 2026