CVE-2021-30719 — Out-of-bounds Read in Apple Macos

CWE-125 — Out-of-bounds Read5 documents4 sources
Severity
7.1HIGHNVD
EPSS
0.0%
top 91.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedSep 8
Latest updateMay 24

Description

A local user may be able to cause unexpected system termination or read kernel memory. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. An out-of-bounds read issue was addressed by removing the vulnerable code.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages3 packages

▶CVEListV5apple/macosunspecified — 11.4+1
▶NVDapple/macos11.0 — 11.4
▶NVDapple/mac_os_x10.15 — 10.15.6+1

🔴Vulnerability Details

2
GHSA
GHSA-956q-7m23-phjx: A local user may be able to cause unexpected system termination or read kernel memory↗2022-05-24
▶
CVEList
CVE-2021-30719: A local user may be able to cause unexpected system termination or read kernel memory↗2021-09-08
▶

📋Vendor Advisories

2
Apple
CVE-2021-30719: macOS Big Sur 11.4↗2021-05-24
▶
Apple
CVE-2021-30719: Security Update 2021-003 Catalina↗2021-05-24
▶
CVE-2021-30719 — Out-of-bounds Read in Apple Macos | cvebase