High severity7.8NVD Advisory· Published Apr 2, 2021· Updated Jun 17, 2026
CVE-2021-1790
CVE-2021-1790
Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted font may lead to arbitrary code execution.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*range: >=10.15,<10.15.7
- 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:supplemental_update:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.2
- (no CPE)range: unspecified
- Range: = Security Update 2021-001
- Range: = Security Update 2021-001
- Range: = 11.2
Patches
Vulnerability mechanics
References
1- support.apple.com/en-us/HT212147nvdVendor Advisory
News mentions
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