CVE-2026-22263

MEDIUM EPSS 31.9%
Published Jan 27, 20265mo ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Jan 27, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability Low

Threat Intelligence

EPSS Exploit Probability
31.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-1050

Affected Products 1

VendorProductVersionRange
oisfsuricata*≥8.0.0  –  <8.0.3

References 3

  • github.com https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428
    Patch
  • github.com https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7
    Vendor Advisory
  • redmine.openinfosecfoundation.org https://redmine.openinfosecfoundation.org/issues/8201
    Permissions Required

Remediation

  • github.com https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428
    Patch