CVE-2021-30799

High

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution.

SeverityHigh
CVSS8.8
Exploit probability—
ProductApple Macos
PublishedSep 8, 2021
First seenSep 8, 2021

How to fix

Update
  • apple macos11.5 or later
  • apple iphone_os14.7 or later
  • apple mac_os_x10.15.7 or later

Affected products

ProductAffected versionsFixed in
apple macos11.0 ≤ v < 11.511.5
apple iphone_osv < 14.714.7
apple mac_os_x10.14 ≤ v ≤ 10.14.6, 10.15 ≤ v < 10.15.7, 10.14.6, 10.15.6, 10.15.710.15.7

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CVE-2021-30799 · Apple Macos · Dark Radar