What’s Vulnerable › Vulnerabilities

CVE-2021-30962

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-24 · updated 2026-06-17
• Weakness: CWE-665

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2, macOS Big Sur 11.6.2. Parsing a maliciously crafted audio file may lead to disclosure of user information.

Affected products

• Apple macOS: from 11.6 before 11.6.2 — fixed in 11.6.2
• Apple tvOS: before 15.2 — fixed in 15.2

How to fix

Upgrade to a fixed version: Apple macOS 11.6.2; Apple tvOS 15.2. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT212979
• https://support.apple.com/en-us/HT212980
• https://support.apple.com/en-us/HT212979
• https://support.apple.com/en-us/HT212980

Get alerted when CVE-2021-30962 or the next vulnerability affects your stack