Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, specially crafted traffic or datasets can cause a limited buffer overflow. This vulnerability is fixed in 7.0.5 and 6.0.19. Workarounds include not use rules with base64_decode keyword with bytes option with value 1, 2 or 5 and for 7.0.x, setting app-layer.protocols.smtp.mime.body-md5 to false.
| Software | From | Fixed in |
|---|---|---|
| oisf / suricata | 6.0.0 | 6.0.19 |
| oisf / suricata | 7.0.0 | 7.0.5 |