CVE-2018-9234
GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certification requires an offline master Certify key, which results in apparently valid certifications that occurred only with access to a signing subkey.
| Software | From | Fixed in |
|---|---|---|
| gnupg / gnupg | 2.2.4 | 2.2.4.x |
| gnupg / gnupg | 2.2.5 | 2.2.5.x |
| canonical / ubuntu_linux | 16.04 | 16.04.x |
| canonical / ubuntu_linux | 14.04 | 14.04.x |
| canonical / ubuntu_linux | 17.10 | 17.10.x |
| canonical / ubuntu_linux | 18.04 | 18.04.x |
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