Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oisf | Suricata | >= 8.0.0, < 8.0.3 |
Related Weaknesses (CWE)
References
- https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428Patch
- https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7Vendor Advisory
- https://redmine.openinfosecfoundation.org/issues/8201Permissions Required
FAQ
What is CVE-2026-22263?
CVE-2026-22263 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 pat...
How severe is CVE-2026-22263?
CVE-2026-22263 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-22263?
Check the references section above for vendor advisories and patch information. Affected products include: Oisf Suricata.