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CVE-2021-1809

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 memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to read restricted memory.

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)
unspecifiedaffectedcustom14.5UnavailableNone 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)
unspecifiedaffectedcustom14.5UnavailableNone 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)
unspecifiedaffectedcustom7.4UnavailableNone 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)
unspecifiedaffectedcustom11.3UnavailableNone 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)
unspecifiedaffectedcustom2021UnavailableNone 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)
unspecifiedaffectedcustom2021UnavailableNone listed