CVE-2020-9947
High
CVE-2020-9947
A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
Exploit probability
1.6%
Published
December 8, 2020
Required by
Not available
Last source change
April 16, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2020-9947
View original source
A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2021/03/22/1
- https://security.gentoo.org/glsa/202104-03
- https://support.apple.com/en-us/HT211843
- https://support.apple.com/en-us/HT211844
- https://support.apple.com/en-us/HT211845
- https://support.apple.com/en-us/HT211850
- https://support.apple.com/en-us/HT211935
- https://support.apple.com/en-us/HT211952