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.
- Affected products
- Suricata
- Oisf Suricata
- < 7.0.14, 8.0.3
- Fix
- Available
- CVSS 3.1
- 9.1 CRITICAL
- EPSS
- 0.3% (27th percentile)
- Weakness
- CWE-416
- NVD status
- Analyzed
- Published
- 2026-01-27
CVE-2026-22264 at NVD
No indexed exploits for CVE-2026-22264 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2026-22264 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.