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CVE-2021-30809

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2021
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution.

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)
unspecifiedaffectedcustom15UnavailableNone 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)
unspecifiedaffectedcustom15UnavailableNone 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)
unspecifiedaffectedcustom15UnavailableNone 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)
unspecifiedaffectedcustom8UnavailableNone listed