CVE-2021-30733 — Out-of-bounds Read in Apple IOS AND Ipados

CWE-125 — Out-of-bounds Read7 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
0.3%
top 43.74%
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

An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted font may result in the disclosure of process memory.

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 Packages8 packages

▶NVDapple/tvos< 14.6
▶CVEListV5apple/macosunspecified — 11.4+3
▶NVDapple/macos11.0.1 — 11.4
▶NVDapple/ipados< 14.6
▶NVDapple/watchos< 7.5

🔴Vulnerability Details

2
GHSA
GHSA-jf77-8jp8-mmmm: An out-of-bounds read was addressed with improved input validation↗2022-05-24
▶
CVEList
CVE-2021-30733: An out-of-bounds read was addressed with improved input validation↗2021-09-08
▶

📋Vendor Advisories

4
Apple
CVE-2021-30733: Security Update 2021-005 Mojave↗2021-07-21
▶
Apple
CVE-2021-30733: macOS Big Sur 11.4↗2021-05-24
▶
Apple
CVE-2021-30733: watchOS 7.5↗2021-05-24
▶
Apple
CVE-2021-30733: tvOS 14.6↗2021-05-24
▶
CVE-2021-30733 — Out-of-bounds Read in Apple | cvebase