High severity7.8NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-30664
CVE-2021-30664
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing a maliciously crafted file may lead to arbitrary code execution.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14unspecified+ 2 more
- (no CPE)range: unspecified
- (no CPE)range: = 14.5
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <14.5
unspecified+ 2 more
- (no CPE)range: unspecified
- (no CPE)range: = 7.4
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <7.4
unspecified+ 2 more
- (no CPE)range: unspecified
- (no CPE)range: = 11.3
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.3
- Range: unspecified
= 14.5+ 1 more
- (no CPE)range: = 14.5
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.5
- Range: = 14.5
Patches
Vulnerability mechanics
References
4- 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
News mentions
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