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CVE-2019-8642

CVE-2019-8642

EPSS 0.3%
An issue existed in the handling of S-MIME certificates. This issue was addressed with improved validation of S-MIME certificates. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra. Processing a maliciously crafted mail message may lead to S/MIME signature spoofing.
Affected products
Apple · macOS

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References
https://support.apple.com/en-us/HT209600