CVE-2021-30879
Published Aug 24, 2021
·Updated
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.
Credit
Jeremy Brown, hjy79425575
Affected Software
18 affected componentsFixes available
Apple macOS Big Sur<11.6.1
11.6.1
Apple Catalina
Apple macOS Monterey<12.0.1
12.0.1
Apple iOS and macOS>=10.15<=10.15.6
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2020-005
Apple iOS and macOS=10.15.7-security_update_2020-007
Apple iOS and macOS=10.15.7-security_update_2021-001
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-security_update_2021-003
Apple iOS and macOS=10.15.7-security_update_2021-004
Apple iOS and macOS=10.15.7-security_update_2021-005
Apple iOS and macOS=10.15.7-security_update_2021-006
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0<11.6.1
Apple macOS>=12.0<12.0.1
Remediation
Patch Available
Patch Available
Patch Available
Event History
Aug 24, 2021
CVE Published
via MITRE·06:49 PM
Data Sourced
via MITRE·06:49 PM
DescriptionWeakness
Frequently Asked Questions
1
What is CVE-2021-30879?
CVE-2021-30879 is a vulnerability in AppleScript that allows for an out-of-bounds read.
2
How does CVE-2021-30879 impact macOS Big Sur?
CVE-2021-30879 impacts macOS Big Sur up to version 11.6.1.
3
How does CVE-2021-30879 impact macOS Catalina?
CVE-2021-30879 impacts macOS Catalina.
4
How does CVE-2021-30879 impact macOS Monterey?
CVE-2021-30879 impacts macOS Monterey up to version 12.0.1.
5
How can I fix CVE-2021-30879?
To fix CVE-2021-30879, update macOS Big Sur to version 11.6.1 or later, or update macOS Monterey to version 12.0.1 or later.