SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30960

A buffer overflow issue was addressed with improved memory handling.

MEDIUM 5.5EPSS 1.01%

Does this matter?

Lower severity and a low EPSS score (1.01%). Track it; it rarely justifies an emergency change on its own.

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. Parsing a maliciously crafted audio file may lead to disclosure of user information.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
1.01% probability · 63th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-120
Affected
apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos
Source
product-security@apple.com
EPSS trend
0%3%5%26 October 2026: 1.01%26 October 202626 October 2026

EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.