CVE-2026-22264
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.
Vulnerability Summary
CVSS v3 Score
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS Score (Exploitation Probability)
This vulnerability has a 0.12% probability of being exploited in the next 30 days, ranking higher than 30% of all scored CVEs.
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