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CVE-2026-22264

🔴 HIGH

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 f...

Published
Jan 27, 2026
Last Modified
Jan 29, 2026
Views
8
Bookmarks
0

Description

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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.

Affected Products (1)

oisf - suricata

Version: *

CVSS Scores

CVSS 3.1 7.4
7.4
HIGH
CVSS 2.0 7.4

References

github.com github.com github.com github.com redmine.openinfosecfoundation.org

Additional Information

Source
security-advisories@github.com
State
Analyzed

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