CVE-2021-30758

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2021
Source publication: Sep 8, 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 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. 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

Vendor: Apple
Product: iOS
Platforms: Unknown
Default status: Unknown

iOS · 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	14.7	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	`affected`	custom	11.5	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	`affected`	custom	14.7	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	`affected`	custom	7.6	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	`affected`	custom	14.1	Unavailable	None listed