CVE-2019-8639

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 5.2, iCloud for Windows 7.11, iOS 12.2, iTunes 12.9.4 for Windows, Safari 12.1. Processing maliciously crafted web content may lead to arbitrary code execution.

• CWE-787

• https://support.apple.com/en-us/HT209599Vendor Advisory
• https://support.apple.com/en-us/HT209602Vendor Advisory
• https://support.apple.com/en-us/HT209603Vendor Advisory
• https://support.apple.com/en-us/HT209604Vendor Advisory
• https://support.apple.com/en-us/HT209605Vendor Advisory
• https://support.apple.com/en-us/HT209599Vendor Advisory
• https://support.apple.com/en-us/HT209602Vendor Advisory
• https://support.apple.com/en-us/HT209603Vendor Advisory
• https://support.apple.com/en-us/HT209604Vendor Advisory
• https://support.apple.com/en-us/HT209605Vendor Advisory

Published

Oct 27, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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• CVE-2019-8632Some analytics data was sent using HTTP rather than HTTPS. T…6.5
• CVE-2019-8633A validation issue was addressed with improved input sanitiz…7.5
• CVE-2019-8634An authentication issue was addressed with improved state ma…8.8
• CVE-2019-8635A memory corruption issue was addressed with improved memory…7.8
• CVE-2019-8637An input validation issue was addressed with improved input …7.8
• CVE-2019-8638Multiple memory corruption issues were addressed with improv…8.8
• CVE-2019-8640A logic issue was addressed with improved validation. This i…7.5
• CVE-2019-8641An out-of-bounds read was addressed with improved input vali…9.8
• CVE-2019-8642An issue existed in the handling of S-MIME certificates. Thi…3.3
• CVE-2019-8643CVE-2019-8643: Arun Sharma of VMWare This issue is fixed in …9.8
• CVE-2019-8644Multiple memory corruption issues were addressed with improv…8.8
• CVE-2019-8645An issue existed in the handling of encrypted Mail. This iss…6.5