CVE-2020-36521

HIGH

iCloud < 7.21 - Out-of-bounds Read via TIFF File Processing

Title source: llm
STIX 2.1

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iCloud for Windows 11.4, iOS 14.0 and iPadOS 14.0, watchOS 7.0, tvOS 14.0, iCloud for Windows 7.21, iTunes for Windows 12.10.9. Processing a maliciously crafted tiff file may lead to a denial-of-service or potentially disclose memory contents.

References (6)

Core 6
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211843
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211850
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211844
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211952
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211847
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211846

Scores

CVSS v3 7.1
EPSS 0.0040
EPSS Percentile 32.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (7)
apple/icloud < 7.21
apple/ipados < 14.0
apple/iphone_os < 14.0
apple/itunes < 12.10.9
apple/macos < 10.15.7
apple/tvos < 14.0
apple/watchos < 7.0
Published Sep 23, 2022
Tracked Since Feb 18, 2026