A double free issue was addressed with improved memory management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted file may lead to heap corruption.
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ipados | Apple | * | 14.5 (excluding) |
| Iphone_os | Apple | * | 14.5 (excluding) |
| Mac_os_x | Apple | 10.14 (including) | 10.14 (including) |
| Mac_os_x | Apple | 10.14.0 (including) | 10.14.0 (including) |
| Mac_os_x | Apple | 10.14.1 (including) | 10.14.1 (including) |
| Mac_os_x | Apple | 10.14.2 (including) | 10.14.2 (including) |
| Mac_os_x | Apple | 10.14.3 (including) | 10.14.3 (including) |
| Mac_os_x | Apple | 10.14.4 (including) | 10.14.4 (including) |
| Mac_os_x | Apple | 10.14.4-beta4 (including) | 10.14.4-beta4 (including) |
| Mac_os_x | Apple | 10.14.5 (including) | 10.14.5 (including) |
| Mac_os_x | Apple | 10.14.6 (including) | 10.14.6 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2019-001 (including) | 10.14.6-security_update_2019-001 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2019-002 (including) | 10.14.6-security_update_2019-002 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2019-004 (including) | 10.14.6-security_update_2019-004 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2019-005 (including) | 10.14.6-security_update_2019-005 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2019-006 (including) | 10.14.6-security_update_2019-006 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2019-007 (including) | 10.14.6-security_update_2019-007 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-001 (including) | 10.14.6-security_update_2020-001 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-002 (including) | 10.14.6-security_update_2020-002 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-003 (including) | 10.14.6-security_update_2020-003 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-004 (including) | 10.14.6-security_update_2020-004 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-005 (including) | 10.14.6-security_update_2020-005 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-006 (including) | 10.14.6-security_update_2020-006 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2020-007 (including) | 10.14.6-security_update_2020-007 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2021-001 (including) | 10.14.6-security_update_2021-001 (including) |
| Mac_os_x | Apple | 10.14.6-security_update_2021-002 (including) | 10.14.6-security_update_2021-002 (including) |
| Mac_os_x | Apple | 10.15 (including) | 10.15 (including) |
| Mac_os_x | Apple | 10.15.1 (including) | 10.15.1 (including) |
| Mac_os_x | Apple | 10.15.2 (including) | 10.15.2 (including) |
| Mac_os_x | Apple | 10.15.3 (including) | 10.15.3 (including) |
| Mac_os_x | Apple | 10.15.4 (including) | 10.15.4 (including) |
| Mac_os_x | Apple | 10.15.5 (including) | 10.15.5 (including) |
| Mac_os_x | Apple | 10.15.6 (including) | 10.15.6 (including) |
| Mac_os_x | Apple | 10.15.6-supplemental_update (including) | 10.15.6-supplemental_update (including) |
| Mac_os_x | Apple | 10.15.7 (including) | 10.15.7 (including) |
| Mac_os_x | Apple | 10.15.7-security_update_2020 (including) | 10.15.7-security_update_2020 (including) |
| Mac_os_x | Apple | 10.15.7-security_update_2020-001 (including) | 10.15.7-security_update_2020-001 (including) |
| Mac_os_x | Apple | 10.15.7-security_update_2020-005 (including) | 10.15.7-security_update_2020-005 (including) |
| Mac_os_x | Apple | 10.15.7-security_update_2020-007 (including) | 10.15.7-security_update_2020-007 (including) |
| Mac_os_x | Apple | 10.15.7-security_update_2021-001 (including) | 10.15.7-security_update_2021-001 (including) |
| Macos | Apple | 11.0 (including) | 11.3 (excluding) |
| Tvos | Apple | * | 14.5 (excluding) |
| Watchos | Apple | * | 7.4 (excluding) |