CVE-2021-30755 — Out-of-bounds Read in Apple Macos

CWE-125 — Out-of-bounds Read5 documents3 sources
Severity
6.5MEDIUMNVD
EPSS
0.4%
top 38.82%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Apple MacosApple TvosApple Watchos+1 more
Timeline
PublishedSep 8
Latest updateMay 24

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. An out-of-bounds read was addressed with improved input validation.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages7 packages

▶NVDapple/tvos< 14.6
▶CVEListV5apple/macosunspecified — 11.4+2
▶NVDapple/macos11.0 — 11.4
▶NVDapple/watchos< 7.5
▶Appleapple/tvos14.6

🔴Vulnerability Details

1
GHSA
GHSA-gwjf-hjm7-xvq3: Processing a maliciously crafted font may result in the disclosure of process memory↗2022-05-24
▶

📋Vendor Advisories

3
Apple
CVE-2021-30755: tvOS 14.6↗2021-05-24
▶
Apple
CVE-2021-30755: watchOS 7.5↗2021-05-24
▶
Apple
CVE-2021-30755: macOS Big Sur 11.4↗2021-05-24
▶