CVE-2021-30865 — Out-of-bounds Read in Apple Macos

CWE-125 — Out-of-bounds Read4 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.2%
top 53.76%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedAug 24
Latest updateSep 13

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.

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 — 11.6+1
▶NVDapple/macos11.0 — 11.6
▶NVDapple/mac_os_x< 10.15.7+1

🔴Vulnerability Details

1
CVEList
CVE-2021-30865: An out-of-bounds read was addressed with improved input validation↗2021-08-24
▶

📋Vendor Advisories

2
Apple
CVE-2021-30865: macOS Big Sur 11.6↗2021-09-13
▶
Apple
CVE-2021-30865: Security Update 2021-005 Catalina↗2021-09-13
▶
CVE-2021-30865 — Out-of-bounds Read in Apple Macos | cvebase