CVE-2021-30791

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Processing a maliciously crafted file may disclose user information.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS
Affected: Apple macOS
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2021-30791?
CVE-2021-30791 has been scored as a medium severity vulnerability.
How to fix CVE-2021-30791?
To fix CVE-2021-30791, 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-2021-30791 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-30791 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30791?
CVE-2021-30791 affects Apple iOS, Apple macOS.
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