high
7.8
CWE
415
Advisory Published
CVE Published
Updated

CVE-2020-9844: Double Free

First published: Wed May 20 2020(Updated: )

A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Credit: Ian Beer Google Project ZeroIan Beer Google Project Zero product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iOS<13.5
13.5
Apple iPadOS<13.5
13.5
Apple iPadOS<13.5
Apple iPhone OS<13.5
Apple Mac OS X>=10.13<10.13.6
Apple Mac OS X>=10.14<10.14.6
Apple Mac OS X>=10.15<10.15.5
Apple Mac OS X=10.13.6
Apple Mac OS X=10.13.6-security_update_2018-002
Apple Mac OS X=10.13.6-security_update_2018-003
Apple Mac OS X=10.13.6-security_update_2019-001
Apple Mac OS X=10.13.6-security_update_2019-002
Apple Mac OS X=10.13.6-security_update_2019-003
Apple Mac OS X=10.13.6-security_update_2019-004
Apple Mac OS X=10.13.6-security_update_2019-005
Apple Mac OS X=10.13.6-security_update_2019-006
Apple Mac OS X=10.13.6-security_update_2019-007
Apple Mac OS X=10.13.6-security_update_2020-001
Apple Mac OS X=10.13.6-security_update_2020-002
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple macOS Catalina<10.15.5
10.15.5
Apple Mojave
Apple High Sierra

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