qpopper POP server creates lock files with predictable names, which allows local users to cause a denial of service for other users (lack of mail access) by creating lock files for other mail boxes.
| Software | From | Fixed in |
|---|---|---|
| qualcomm / qpopper | 2.53 | 2.53.x |
| qualcomm / qpopper | 3.0 | 3.0.x |