Vulnerability · Published Oct 16, 2020 · Assigned by apple

CVE-2020-9918

Critical 9.8

In plain English

A critical-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 3.0% (higher than 87% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)3.0%top 12.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Affected products (as reported)

Vendor	Product	Versions
Apple	macOS	unspecified – before macOS Catalina 10.15.6
Apple	tvOS	unspecified – before tvOS 13.4.8
Apple	watchOS	unspecified – before watchOS 6.2.8

References

https://support.apple.com/HT211289 x_refsource_MISC
https://support.apple.com/HT211288 x_refsource_MISC
https://support.apple.com/HT211290 x_refsource_MISC
https://support.apple.com/HT211291 x_refsource_MISC