CVE-2021-31013 — Out-of-bounds Read in Apple Macos

CWE-125 — Out-of-bounds Read5 documents2 sources
Severity
5.5MEDIUMNVD
EPSS
0.3%
top 44.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple MacosApple IpadosApple Iphone OS+4 more
Timeline
PublishedAug 24
Latest updateDec 13

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2. Processing a maliciously crafted font may result in the disclosure of process memory.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages8 packages

▶CVEListV5apple/macosunspecified — 12.1+2
▶NVDapple/macos11.0 — 11.6.2+1
▶Appleapple/macos_big_sur11.6.2
▶NVDapple/ipados< 15.2

📋Vendor Advisories

4
Apple
CVE-2021-31013: macOS Big Sur 11.6.2↗2021-12-13
▶
Apple
CVE-2021-31013: macOS Monterey 12.1↗2021-12-13
▶
Apple
CVE-2021-31013: watchOS 8.3↗2021-12-13
▶
Apple
CVE-2021-31013: tvOS 15.2↗2021-12-13
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