CVE-2026-22263

MEDIUM

5.3

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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/27/2026

Last Modified1/29/2026

Sourcenvd

Honeypot Sightings0

Affected Products

oisf:suricata

Weaknesses (CWE)

CWE-1050

References

https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428(security-advisories@github.com)

https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7(security-advisories@github.com)

https://redmine.openinfosecfoundation.org/issues/8201(security-advisories@github.com)

IOC Correlations

No correlations recorded

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