SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30753

Processing a maliciously crafted font may result in the disclosure of process memory.

MEDIUM 5.5EPSS 0.91%

Does this matter?

Lower severity and a low EPSS score (0.91%). Track it; it rarely justifies an emergency change on its own.

Description

Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An out-of-bounds read was addressed with improved input validation.

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
0.91% probability · 58th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos
Source
product-security@apple.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.