CVE-2021-30939

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing a maliciously crafted image may lead to arbitrary code execution.

Summary:

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing a maliciously crafted image may lead to arbitrary code execution.

Reference Links(if available):

  • https://support.apple.com/en-us/HT212975
  • https://support.apple.com/en-us/HT212978
  • https://support.apple.com/en-us/HT212979
  • https://support.apple.com/en-us/HT212976
  • https://support.apple.com/en-us/HT212981
  • CVSS Score (if available)

    v2: / HIGH

    v3: /

    Links to Exploits(if available)