CVE-2026-22263
Last modified
CVE-2026-22263 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Oisf | Suricata | >= 8.0.0, < 8.0.3 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-22263?
How severe is CVE-2026-22263?
How do I fix CVE-2026-22263?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-22258Suricata is a network IDS, IPS and NSM engine. Prior to vers…7.5
- CVE-2026-22259Suricata is a network IDS, IPS and NSM engine. Prior to vers…7.5
- CVE-2026-2226A vulnerability has been found in DouPHP up to 1.9. This iss…7.2
- CVE-2026-22260Suricata is a network IDS, IPS and NSM engine. Starting in v…7.5
- CVE-2026-22261Suricata is a network IDS, IPS and NSM engine. Prior to vers…5.3
- CVE-2026-22262Suricata is a network IDS, IPS and NSM engine. While saving …9.8
- CVE-2026-22264Suricata is a network IDS, IPS and NSM engine. Prior to vers…9.1
- CVE-2026-22265Roxy-WI is a web interface for managing Haproxy, Nginx, Apac…7.5
- CVE-2026-22266Dell PowerProtect Data Manager, version(s) prior to 19.22, c…8.8
- CVE-2026-22267Dell PowerProtect Data Manager, version(s) prior to 19.22, c…8.8
- CVE-2026-22268Dell PowerProtect Data Manager, version(s) prior to 19.22, c…6.5
- CVE-2026-22269Dell PowerProtect Data Manager, version(s) prior to 19.22, c…4.7
Are you affected by CVE-2026-22263?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST