| Package | Affected versions | Patched versions |
|---|---|---|
| suricata | < 3.1.2 | 3.1.2 |
An issue was discovered in Suricata before 3.1.2. If an ICMPv4 error packet is received as the first packet on a flow in the to_client direction, it confuses the rule grouping lookup logic. The toclient inspection will then continue with the wrong rule group. This can lead to missed detection.
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