KDE kmail before 5.5.2 and messagelib before 5.5.2, as distributed in KDE Applications before 17.04.2, do not ensure that a plugin's sign/encrypt action occurs during use of the Send Later feature, which allows remote attackers to obtain sensitive information by sniffing the network.
| Software | From | Fixed in |
|---|---|---|
| kde / kmail | - | 5.5.1.x |
| kde / messagelib | - | 5.5.1.x |