CVE-2021-30959: Buffer Overflow

Published 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.

Other sources

CoreAudio. A buffer overflow issue was addressed with improved memory handling.

Credit

JunDong Xie(Ant Security Light)

Affected Software

12 affected componentsFixes available
Apple macOS Big Sur<11.6.2
11.6.2
Apple Catalina
Apple iOS and macOS>=10.15<=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2021-001
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-security_update_2021-003
Apple iOS and macOS=10.15.7-security_update_2021-004
Apple iOS and macOS=10.15.7-security_update_2021-005
Apple iOS and macOS=10.15.7-security_update_2021-006
Apple iOS and macOS=10.15.7-security_update_2021-007
Apple macOS>=11.0<11.6.2

Event History

Aug 24, 2021
CVE Published
via MITRE·06:50 PM
Data Sourced
via MITRE·06:50 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30959?

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

2

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.

3

Is Apple Catalina affected by CVE-2021-30959?

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

4

How can I fix CVE-2021-30959?

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

5

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.

Contact

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