Bug 2433481 (CVE-2026-22263) - CVE-2026-22263 suricata: Suricata: Denial of Service via inefficient HTTP/1 header parsing
Summary: CVE-2026-22263 suricata: Suricata: Denial of Service via inefficient HTTP/1 h...
Keywords:
Status: NEW
Alias: CVE-2026-22263
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2433656 2433657
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-27 19:02 UTC by OSIDB Bzimport
Modified: 2026-01-28 03:00 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-01-27 19:02:59 UTC 
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.
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