CVE-2021-30749

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)

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. 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	14.6	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	11.4	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	`affected`	custom	14.6	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	7.5	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	14.1	Unavailable	None listed