CVE-2026-22263

medium

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

https://redmine.openinfosecfoundation.org/issues/8201

https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7

https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428

Details

Source: Mitre, NVD

Published: 2026-01-27

Updated: 2026-01-29

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Severity: Medium

EPSS

EPSS: 0.00014