CVE-2021-30877

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.1 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
appleCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
VendorProductVersion
applemac_os_x
10.15 ≤
𝑥
≤ 10.15.6
applemac_os_x
10.15.7
applemac_os_x
10.15.7:security_update_2020
applemac_os_x
10.15.7:security_update_2020-001
applemac_os_x
10.15.7:security_update_2020-005
applemac_os_x
10.15.7:security_update_2020-007
applemac_os_x
10.15.7:security_update_2021-001
applemac_os_x
10.15.7:security_update_2021-002
applemac_os_x
10.15.7:security_update_2021-003
applemac_os_x
10.15.7:security_update_2021-004
applemac_os_x
10.15.7:security_update_2021-005
applemac_os_x
10.15.7:security_update_2021-006
applemac_os_x
10.15.7:supplemental_update
applemacos
11.0 ≤
𝑥
< 11.6.1
applemacos
12.0 ≤
𝑥
< 12.0.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/HT212869
https://support.apple.com/en-us/HT212871
https://support.apple.com/en-us/HT212872
https://support.apple.com/en-us/HT212869
https://support.apple.com/en-us/HT212871
https://support.apple.com/en-us/HT212872