CVE-2021-30753 — Out-of-bounds Read in Apple IOS AND Ipados

CWE-125 — Out-of-bounds Read5 documents3 sources
Severity
5.5MEDIUMNVD
EPSS
0.3%
top 49.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Ipados+4 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, iOS 14.6 and iPadOS 14.6. An out-of-bounds read was addressed with improved input validation.

CVSS vector

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

Affected Packages10 packages

▶NVDapple/tvos< 14.6
▶CVEListV5apple/macosunspecified — 11.4+2
▶NVDapple/macos11.0.1 — 11.4
▶NVDapple/ipados< 14.6
▶NVDapple/watchos< 7.5

🔴Vulnerability Details

1
GHSA
GHSA-248r-f975-ppfj: Processing a maliciously crafted font may result in the disclosure of process memory↗2022-05-24
▶

📋Vendor Advisories

3
Apple
CVE-2021-30753: watchOS 7.5↗2021-05-24
▶
Apple
CVE-2021-30753: macOS Big Sur 11.4↗2021-05-24
▶
Apple
CVE-2021-30753: tvOS 14.6↗2021-05-24
▶