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 Zero product-security@apple.com

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

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

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