CVE-2026-22263

Name
CVE-2026-22263
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.
NVD Severity
unknown
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
security-advisories@github.com https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428
security-advisories@github.com https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7
security-advisories@github.com https://redmine.openinfosecfoundation.org/issues/8201

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:* suricata >= 8.0.0 < 8.0.3

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
suricata edge-community 8.0.2-r0 Steve McMaster <steve@mcmaster.io> possibly vulnerable
suricata edge-community 8.0.0-r0 Steve McMaster <steve@mcmaster.io> possibly vulnerable
suricata 3.23-community 8.0.0-r0 Steve McMaster <steve@mcmaster.io> possibly vulnerable