CVE-2021-30664 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write4 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.5%
top 35.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
Apple IOS AND IpadosApple MacosApple Tvos+5 more
Timeline
PublishedSep 8
Latest updateMay 24

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing a maliciously crafted file may lead to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages11 packages

▶CVEListV5apple/tvosunspecified — 14.5
▶NVDapple/tvos< 14.5
▶CVEListV5apple/macosunspecified — 11.3
▶NVDapple/macos11.0 — 11.3
▶NVDapple/ipados< 14.5

🔴Vulnerability Details

1
GHSA
GHSA-cqqm-5v99-78h5: An out-of-bounds write issue was addressed with improved bounds checking↗2022-05-24
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📋Vendor Advisories

2
Apple
CVE-2021-30664: iOS 14.5 and iPadOS 14.5↗2021-04-26
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Apple
CVE-2021-30664: macOS Big Sur 11.3↗2021-04-26
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