High severity7.1NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-30719
CVE-2021-30719
Description
A local user may be able to cause unexpected system termination or read kernel memory. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. An out-of-bounds read issue was addressed by removing the vulnerable code.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Big Sur <11.4, Security Update 2021-003 Catalina+ 1 more
- (no CPE)range: Big Sur <11.4, Security Update 2021-003 Catalina
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
2- support.apple.com/en-us/HT212529nvdRelease NotesVendor Advisory
- support.apple.com/en-us/HT212530nvdRelease NotesVendor Advisory
News mentions
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