An issue existed in the handling of encrypted Mail. This issue was addressed with improved isolation of MIME in Mail. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. An attacker in a privileged network position may be able to intercept the contents of S/MIME-encrypted e-mail.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Mac_os_x | Apple | * | 10.14.4 (excluding) |