Record status Published
Identifier year (not publication year) 2021
Source publication Sep 8, 2021
Source updated Oct 21, 2025
Imported by cveboard Oct 24, 2026
CNA source text (English) A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
Scoped product and version facts Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
iOS and iPadOS
Vendor Apple
Product iOS and iPadOS
Platforms Unknown
Default status Unknown
iOS and iPadOS · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status) unspecified affectedcustom 14.5 Unavailable None listed
Safari
Vendor Apple
Product Safari
Platforms Unknown
Default status Unknown
Safari · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status) unspecified affectedcustom 14.1 Unavailable None listed
tvOS
Vendor Apple
Product tvOS
Platforms Unknown
Default status Unknown
tvOS · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status) unspecified affectedcustom 14.5 Unavailable None listed
watchOS
Vendor Apple
Product watchOS
Platforms Unknown
Default status Unknown
watchOS · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status) unspecified affectedcustom 7.4 Unavailable None listed
macOS
Vendor Apple
Product macOS
Platforms Unknown
Default status Unknown
macOS · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status) unspecified affectedcustom 11.3 Unavailable None listed
macOS
Vendor Apple
Product macOS
Platforms Unknown
Default status Unknown
macOS · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status) unspecified affectedcustom 12.5 Unavailable None listed