CVE-2021-30796

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing a maliciously crafted image may lead to a denial of service.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.55%

Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com

Affected: Apple Security Update - Catalina

Affected: Apple iOS

Affected: Apple macOS

References

Link	Tags
https://support.apple.com/en-us/HT212601	vendor advisory
https://support.apple.com/en-us/HT212602	vendor advisory
https://support.apple.com/en-us/HT212600	vendor advisory
https://support.apple.com/en-us/HT212603	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30796?: CVE-2021-30796 has been scored as a medium severity vulnerability.
How to fix CVE-2021-30796?: To fix CVE-2021-30796, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-30796 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-30796 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30796?: CVE-2021-30796 affects Apple Security Update - Catalina, Apple iOS, Apple macOS, Apple macOS.

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