An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory.
Severity
CVSS 3.1
7.1 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)