KMail 1.9.5 and earlier does not properly use the --status-fd argument when invoking GnuPG, which prevents KMail from visually distinguishing between signed and unsigned portions of OpenPGP messages with multiple components, which allows remote attackers to forge the contents of a message without detection.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | all | kdepim | <= 4:16.04.3-4~deb9u1 | kdepim_4:16.04.3-4~deb9u1_all.deb |