CVE-2026-22263
Suricata http1: quadratic complexity in headers parsing over multiple packets
Summary
Suricata http1: quadratic complexity in headers parsing over multiple packets
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-22263 suricata Fixed in: 1:8.0.3-1
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com
- web redmine.openinfosecfoundation.org