Medium severity6.5NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-1857
CVE-2021-1857
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14- Range: 2021-002
= 14.5+ 1 more
- (no CPE)range: = 14.5
- (no CPE)range: unspecified
= 11.3+ 1 more
- (no CPE)range: = 11.3
- (no CPE)range: unspecified
- Range: = 14.5
= 7.4+ 1 more
- (no CPE)range: = 7.4
- (no CPE)range: unspecified
- Range: = 12.11.3
- Range: = 14.5
= 12.3+ 1 more
- (no CPE)range: = 12.3
- (no CPE)range: unspecified
- Range: unspecified
- Range: unspecified
Patches
Vulnerability mechanics
References
8- support.apple.com/en-us/HT212317nvdVendor Advisory
- support.apple.com/en-us/HT212319nvdVendor Advisory
- support.apple.com/en-us/HT212321nvdVendor Advisory
- support.apple.com/en-us/HT212323nvdVendor Advisory
- support.apple.com/en-us/HT212324nvdVendor Advisory
- support.apple.com/en-us/HT212325nvdVendor Advisory
- support.apple.com/en-us/HT212326nvdVendor Advisory
- support.apple.com/en-us/HT212327nvdVendor Advisory
News mentions
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