CVE-2021-30760 — Integer Overflow or Wraparound in Apple Macos

CWE-190 — Integer Overflow or Wraparound5 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 36.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
Apple IOSApple MacosApple Security Update Catalina+5 more
Timeline
PublishedSep 8
Latest updateMay 24

Description

An integer overflow was addressed through improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. Processing a maliciously crafted font file 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 Packages9 packages

▶CVEListV5apple/security_update_catalinaunspecified — 2021
▶NVDapple/tvos< 14.7
▶CVEListV5apple/macosunspecified — 11.5+3
▶NVDapple/macos11.0 — 11.5
▶NVDapple/watchos< 7.6

🔴Vulnerability Details

2
GHSA
GHSA-4ccr-c6hg-r7x3: An integer overflow was addressed through improved input validation↗2022-05-24
▶
CVEList
CVE-2021-30760: An integer overflow was addressed through improved input validation↗2021-09-08
▶

📋Vendor Advisories

2
Apple
CVE-2021-30760: Security Update 2021-005 Mojave↗2021-07-21
▶
Apple
CVE-2021-30760: iOS 14.7 and iPadOS 14.7↗
▶