CVE-2021-30818

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2021
Source publication: Oct 28, 2021
Source updated: Aug 3, 2024
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. 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)
unspecified	`affected`	custom	14.8	Unavailable	None listed

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	`affected`	custom	15	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	`affected`	custom	15	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	`affected`	custom	15	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	`affected`	custom	8	Unavailable	None listed