CVE-2026-22263

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Source
https://cve.org/CVERecord?id=CVE-2026-22263
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-22263.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-22263
Aliases
  • GHSA-rwc5-hxj6-hwx7
Downstream
Published
2026-01-27T18:27:45.351Z
Modified
2026-03-01T02:56:06.130139Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
Suricata http1: quadratic complexity in headers parsing over multiple packets
Details

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.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-1050"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22263.json"
}
References

Affected packages

Git / github.com/oisf/suricata

Affected ranges

Type
GIT
Repo
https://github.com/oisf/suricata
Events
Introduced
9956286fb89f9cad9e9f95b99dc751f8666617b7
Fixed
3bd9f773bdc65d7bede2f0576790a68fb68b7476

Affected versions

suricata-8.*
suricata-8.0.0
suricata-8.0.1
suricata-8.0.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-22263.json"