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[ CVE-2021-30983 · Published 24 Aug 2021 ]

Apple iOS and iPadOS Buffer Overflow Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 3%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-06-27

[ Description ]Official description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.

CISA: Apple iOS and iPadOS contain a buffer overflow vulnerability that could allow an application to execute code with kernel privileges.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 18 Jul 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References