Apple iOS and iPadOS Buffer Overflow Vulnerability (CVE-2021-30983)

A local attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2022-07-18 under CISA BOD 22-01.

This is a Classic Buffer Overflow (CWE-120) vulnerability in Apple iOS and iPadOS. 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. Exploitation requires local access, low attack complexity, no authentication required, and user interaction required.

Probably yes if any of these apply:

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2022-06-27 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2022-07-18.