CVE-2021-1857
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 1.2%
exploitation probability
1.2%top 32% of all CVEs
observed exploitation
nono source reports it
A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.
Affected products
Apple · iCloud for WindowsApple · iOS and iPadOSApple · iTunes for WindowsApple · macOSApple · tvOSApple · watchOSReferences
https://support.apple.com/en-us/HT212317https://support.apple.com/en-us/HT212319https://support.apple.com/en-us/HT212321https://support.apple.com/en-us/HT212323https://support.apple.com/en-us/HT212324https://support.apple.com/en-us/HT212325https://support.apple.com/en-us/HT212326https://support.apple.com/en-us/HT212327