CVE-2018-4421 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Apple Macos Mojave 10.14.1 Security Update 2018-002 High Sierra Security Update 2018-0

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer4 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.3%
top 51.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Apple MAC OS XApple Macos Mojave 10.14.1 Security Update 2018-002 High Sierra Security Update 2018-0Apple Macos Mojave 10.14.2 Security Update 2018-003 High Sierra Security Update 2018-0
Timeline
PublishedApr 3
Latest updateMay 14

Description

A memory initialization issue was addressed with improved memory handling. This issue affected versions prior to macOS Mojave 10.14.1.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶NVDapple/mac_os_x< 10.14.1

🔴Vulnerability Details

1
GHSA
GHSA-623f-63x5-rq7q: A memory initialization issue was addressed with improved memory handling↗2022-05-14
▶

📋Vendor Advisories

2
Apple
CVE-2018-4421: macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra↗2018-12-05
▶
Apple
CVE-2018-4421: macOS Mojave 10.14.1, Security Update 2018-002 High Sierra, Security Update 2018-005 Sierra↗2018-10-30
▶