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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductOisf Suricata
PublishedJan 27, 2026
First seenJan 27, 2026
Weakness typeCWE-1050CWE-1050
How to fix
Update
- oisf suricata8.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| oisf suricata | 8.0.0 ≤ v < 8.0.3 | 8.0.3 |
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