CVE-2020-9844

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
appleCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
VendorProductVersion
appleipados
𝑥
< 13.5
appleiphone_os
𝑥
< 13.5
applemac_os_x
10.13 ≤
𝑥
< 10.13.6
applemac_os_x
10.14 ≤
𝑥
< 10.14.6
applemac_os_x
10.15 ≤
𝑥
< 10.15.5
applemac_os_x
10.13.6
applemac_os_x
10.13.6:security_update_2018-002
applemac_os_x
10.13.6:security_update_2018-003
applemac_os_x
10.13.6:security_update_2019-001
applemac_os_x
10.13.6:security_update_2019-002
applemac_os_x
10.13.6:security_update_2019-003
applemac_os_x
10.13.6:security_update_2019-004
applemac_os_x
10.13.6:security_update_2019-005
applemac_os_x
10.13.6:security_update_2019-006
applemac_os_x
10.13.6:security_update_2019-007
applemac_os_x
10.13.6:security_update_2020-001
applemac_os_x
10.13.6:security_update_2020-002
applemac_os_x
10.14.6
applemac_os_x
10.14.6:security_update_2019-001
applemac_os_x
10.14.6:security_update_2019-002
applemac_os_x
10.14.6:security_update_2019-004
applemac_os_x
10.14.6:security_update_2019-005
applemac_os_x
10.14.6:security_update_2019-006
applemac_os_x
10.14.6:security_update_2019-007
applemac_os_x
10.14.6:security_update_2020-001
applemac_os_x
10.14.6:security_update_2020-002
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/HT211168
https://support.apple.com/HT211170
https://support.apple.com/HT211168
https://support.apple.com/HT211170