Description
Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, inefficiency in http1 headers parsing can lead to slowdown over multiple packets. Version 8.0.3 patches the issue. No known workarounds are available.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7
Patch x_refsource_misc
https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428
Permissions Required x_refsource_misc
https://redmine.openinfosecfoundation.org/issues/8201
Scores
CVSS v3
5.3
EPSS
0.0002
EPSS Percentile
6.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1050
Status
published
Products (1)
oisf/suricata
8.0.0 - 8.0.3
Published
Jan 27, 2026
Tracked Since
Feb 18, 2026