Vulnerability · Published Apr 2, 2021 · Assigned by apple

CVE-2021-1737

High 7.8

In plain English

A high-severity security flaw in macOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).

Severity (CVSS NVD)7.8High

Exploit odds (30 days)1.0%top 37.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution.

Affected products (as reported)

Vendor	Product	Versions
Apple	macOS	unspecified – before 11.2

References

https://support.apple.com/kb/HT212146 x_refsource_CONFIRM
https://support.apple.com/en-us/HT212147 x_refsource_MISC