CVE-2018-4428

A lock screen issue allowed access to the share function on a locked device. This issue was addressed by restricting options offered on a locked device. This issue is fixed in iOS 12.1.1. A local attacker may be able to share items from the lock screen.

• https://support.apple.com/en-us/HT209340Vendor Advisory
• https://support.apple.com/en-us/HT209340Vendor 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-2018-4422A memory corruption issue was addressed with improved memory…
• CVE-2018-4423A logic issue was addressed with improved validation. This i…
• CVE-2018-4424A buffer overflow was addressed with improved size validatio…
• CVE-2018-4425A memory corruption issue was addressed with improved memory…
• CVE-2018-4426A memory corruption issue was addressed with improved memory…
• CVE-2018-4427A memory corruption issue was addressed with improved memory…
• CVE-2018-4429A spoofing issue existed in the handling of URLs. This issue…
• CVE-2018-4430A lock screen issue allowed access to contacts on a locked d…
• CVE-2018-4431A memory initialization issue was addressed with improved me…
• CVE-2018-4433A configuration issue was addressed with additional restrict…5.5
• CVE-2018-4434An out-of-bounds read was addressed with improved input vali…
• CVE-2018-4435A logic issue was addressed with improved restrictions. This…