NULL pointer exception in the Modbus dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Wireshark | Wireshark | 3.2.0 (including) | 3.2.17 (including) |
| Wireshark | Wireshark | 3.4.0 (including) | 3.4.9 (including) |