High severity7.8NVD Advisory· Published Oct 19, 2021· Updated Jun 17, 2026
CVE-2021-30837
CVE-2021-30837
Description
A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An application may be able to execute arbitrary code with kernel privileges.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10unspecified+ 2 more
- (no CPE)range: unspecified
- (no CPE)range: prior to 15
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <15.0
unspecified+ 1 more
- (no CPE)range: unspecified
- (no CPE)range: prior to 8
- Range: unspecified
- Range: prior to 15
prior to 15+ 1 more
- (no CPE)range: prior to 15
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <15.0
Patches
Vulnerability mechanics
References
6- seclists.org/fulldisclosure/2021/Oct/61nvdMailing ListRelease NotesThird Party Advisory
- seclists.org/fulldisclosure/2021/Oct/62nvdMailing ListRelease NotesThird Party Advisory
- seclists.org/fulldisclosure/2021/Oct/63nvdMailing ListRelease NotesThird Party Advisory
- support.apple.com/en-us/HT212814nvdRelease NotesVendor Advisory
- support.apple.com/en-us/HT212815nvdRelease NotesVendor Advisory
- support.apple.com/en-us/HT212819nvdRelease NotesVendor Advisory
News mentions
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