CVE-2021-1736 — Out-of-bounds Read in Apple Macos

CWE-125 — Out-of-bounds Read4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 38.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedApr 2
Latest updateMay 24

Description

An out-of-bounds read 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 Packages3 packages

▶CVEListV5apple/macosunspecified — 11.2
▶NVDapple/macos11.0 — 11.2
▶NVDapple/mac_os_x10.14 — 10.14.6+3

🔴Vulnerability Details

2
GHSA
GHSA-c4r4-h8vp-w6gw: An out-of-bounds read was addressed with improved input validation↗2022-05-24
▶
CVEList
CVE-2021-1736: An out-of-bounds read was addressed with improved input validation↗2021-04-02
▶

📋Vendor Advisories

1
Apple
CVE-2021-1736: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave↗2021-02-01
▶
CVE-2021-1736 — Out-of-bounds Read in Apple Macos | cvebase