The pop_msg function in qpopper 4.0.x before 4.0.5fc2 does not null terminate a message buffer after a call to Qvsnprintf, which could allow authenticated users to execute arbitrary code via a buffer overflow in a mdef command with a long macro name.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Qpopper | Qualcomm | 4.0.1 (including) | 4.0.1 (including) |
| Qpopper | Qualcomm | 4.0.2 (including) | 4.0.2 (including) |
| Qpopper | Qualcomm | 4.0.3 (including) | 4.0.3 (including) |
| Qpopper | Qualcomm | 4.0.4 (including) | 4.0.4 (including) |