CVE-2021-30883
Apple Multiple Products
Apple Multiple Products Memory Corruption Vulnerability
What it is
Apple iOS, macOS, watchOS, and tvOS contain a memory corruption vulnerability that could allow for remote code execution.
What to do
Apply updates per vendor instructions.
Vendor notices and references
Description and required action as published by CISA. Full record at NVD.
Other Apple entries on the list
- Multiple Products Apple Multiple Products Improper Authentication Vulnerability CVE-2024-27834 · Nov 4, 2026
- Multiple Products Apple Multiple Products Out-of-Bounds Write Vulnerability CVE-2026-86950 · Sep 29, 2026
- macOS Apple macOS Improper Authentication Vulnerability CVE-2026-65400 · Aug 18, 2026
- Multiple Products Apple Multiple Products Classic Buffer Overflow Vulnerability CVE-2025-43520 · Mar 20, 2026
- Multiple Products Apple Multiple Products Improper Locking Vulnerability CVE-2025-43510 · Mar 20, 2026
- Multiple Products Apple Multiple Products Buffer Overflow Vulnerability CVE-2025-31277 · Mar 20, 2026