CVE-2020-9866 — Classic Buffer Overflow in Apple Macos

CWE-120 — Classic Buffer Overflow4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
1.2%
top 20.96%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedOct 27
Latest updateMay 24

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. A buffer overflow may result in arbitrary code execution.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5apple/macosunspecified — 10.15
▶NVDapple/mac_os_x< 10.15.6

🔴Vulnerability Details

2
GHSA
GHSA-39x7-9p46-59cg: A buffer overflow was addressed with improved bounds checking↗2022-05-24
▶
CVEList
CVE-2020-9866: A buffer overflow was addressed with improved bounds checking↗2020-10-27
▶

📋Vendor Advisories

1
Apple
CVE-2020-9866: macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra↗2020-07-15
▶
CVE-2020-9866 — Classic Buffer Overflow in Apple Macos | cvebase