CWE
119 120
Advisory Published
Updated

CVE-2021-30959: Buffer Overflow

First published: Tue Aug 24 2021(Updated: )

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. Parsing a maliciously crafted audio file may lead to disclosure of user information.

Credit: JunDong Xie Ant Security LightJunDong Xie Ant Security LightJunDong Xie Ant Security Light cve@mitre.org JunDong Xie Ant Security LightJunDong Xie Ant Security LightJunDong Xie Ant Security Light

Affected SoftwareAffected VersionHow to fix
Apple Catalina
Apple Mac OS X>=10.15<=10.15.7
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-security_update_2021-001
Apple Mac OS X=10.15.7-security_update_2021-002
Apple Mac OS X=10.15.7-security_update_2021-003
Apple Mac OS X=10.15.7-security_update_2021-004
Apple Mac OS X=10.15.7-security_update_2021-005
Apple Mac OS X=10.15.7-security_update_2021-006
Apple Mac OS X=10.15.7-security_update_2021-007
Apple macOS>=11.0<11.6.2
Apple macOS<11.6.2
11.6.2

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-30959?

    CVE-2021-30959 is a buffer overflow vulnerability in CoreAudio that has been fixed with improved memory handling.

  • How does CVE-2021-30959 affect macOS Big Sur?

    CVE-2021-30959 affects macOS Big Sur versions up to 11.6.2, but it has been addressed with the remedy version 11.6.2.

  • Is Apple Catalina affected by CVE-2021-30959?

    Yes, Apple Catalina is affected by CVE-2021-30959.

  • How can I fix CVE-2021-30959?

    To fix CVE-2021-30959, update macOS Big Sur to version 11.6.2 or later.

  • What is the Common Weakness Enumeration (CWE) ID for CVE-2021-30959?

    The Common Weakness Enumeration (CWE) ID for CVE-2021-30959 is CWE-119.

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