CVE-2026-22263
MEDIUM
2026-01-27
[email protected]
5.3
CVSS 3.1
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CVSS Vector
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
Lifecycle Timeline
3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch Released
Jan 29, 2026 - 21:00 nvd
Patch available
CVE Published
Jan 27, 2026 - 19:16 nvd
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.
Analysis
Suricata versions up to 8.0.3 contains a vulnerability that allows attackers to slowdown over multiple packets (CVSS 5.3).
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Remediation
Within 30 days: Identify affected systems running version 8.0.0 and and apply vendor patches as part of regular patch cycle. Vendor patch is available.
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Priority Score
27
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0
Vendor Status
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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