Critical severity9.8NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-1882
CVE-2021-1882
Description
A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to gain elevated privileges.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
25cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.5
- (no CPE)range: 14.5
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*+ 9 more
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*range: >=10.15,<=10.15.5
- cpe:2.3:o:apple:mac_os_x:10.15.6:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.3
- (no CPE)range: Big Sur 11.3
- (no CPE)range: unspecified
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <14.5
- (no CPE)range: 14.5
- (no CPE)range: unspecified
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <7.4
- (no CPE)range: 7.4
- (no CPE)range: unspecified
- Range: Security Update 2021-002
- Range: 14.5
- Range: unspecified
Patches
Vulnerability mechanics
References
5- support.apple.com/en-us/HT212317nvdVendor Advisory
- support.apple.com/en-us/HT212323nvdVendor Advisory
- support.apple.com/en-us/HT212324nvdVendor Advisory
- support.apple.com/en-us/HT212325nvdVendor Advisory
- support.apple.com/en-us/HT212326nvdVendor Advisory
News mentions
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