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CVE-2026-22264 Detail

Description

Suricata is a network IDS, IPS and NSM engine. Prior to version 8.0.3 and 7.0.14, an unsigned integer overflow can lead to a heap use-after-free condition when generating excessive amounts of alerts for a single packet. Versions 8.0.3 and 7.0.14 contain a patch. As a workaround, do not run untrusted rulesets or run with less than 65536 signatures that can match on the same packet.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/OISF/suricata/commit/549d7bf60616de8e54686a188196453b5b22f715 GitHub, Inc.
https://github.com/OISF/suricata/commit/5789a3d3760dbf33d93fc56c27bd9529e5bdc8f2 GitHub, Inc.
https://github.com/OISF/suricata/commit/ac1eb394181530430fb7262969f423a1bf8f209b GitHub, Inc.
https://github.com/OISF/suricata/security/advisories/GHSA-mqr8-m3m4-2hw5 GitHub, Inc.
https://redmine.openinfosecfoundation.org/issues/8190 GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free GitHub, Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-22264
NVD Published Date:
01/27/2026
NVD Last Modified:
01/27/2026
Source:
GitHub, Inc.