CVE-2021-1738 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds Write5 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.3%
top 49.87%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Apple MacosApple IpadosApple Iphone OS+1 more
Timeline
PublishedApr 2
Latest updateMay 24

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted image 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 Packages5 packages

▶CVEListV5apple/macosunspecified — 11.2
▶NVDapple/macos11.0 — 11.2
▶NVDapple/mac_os_x10.14 — 10.14.6+3
▶NVDapple/ipados< 14.4
▶NVDapple/iphone_os< 14.4

🔴Vulnerability Details

2
GHSA
GHSA-f8p4-wxwq-58f9: An out-of-bounds write was addressed with improved input validation↗2022-05-24
▶
CVEList
CVE-2021-1738: An out-of-bounds write was addressed with improved input validation↗2021-04-02
▶

📋Vendor Advisories

2
Apple
CVE-2021-1738: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave↗2021-02-01
▶
Apple
CVE-2021-1738: iOS 14.4 and iPadOS 14.4↗2021-01-26
▶
CVE-2021-1738 — Out-of-bounds Write in Apple Macos | cvebase