Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-30760

High 7.8

In plain English

A high-severity security flaw in iOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.3%top 28.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Apple Security Update - Catalina unspecified – before 2021
Apple iOS unspecified – before 14.7
Apple macOS unspecified – before 11.5
Apple macOS unspecified – before 2021
Apple macOS unspecified – before 14.7
Apple macOS unspecified – before 7.6

References