CVE-2021-30848

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.32%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS and iPadOS
Affected: Apple iOS and iPadOS
Affected: Apple Safari
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT212807 vendor advisory
https://support.apple.com/en-us/HT212814 vendor advisory
https://support.apple.com/en-us/HT212816 vendor advisory
http://www.openwall.com/lists/oss-security/2021/10/26/9 mailing list
http://www.openwall.com/lists/oss-security/2021/10/27/1 mailing list
http://www.openwall.com/lists/oss-security/2021/10/27/2 mailing list
http://seclists.org/fulldisclosure/2021/Oct/60 third party advisory mailing list
http://seclists.org/fulldisclosure/2021/Oct/61 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2021/10/27/4 mailing list
https://support.apple.com/kb/HT212869 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30848?
CVE-2021-30848 has been scored as a high severity vulnerability.
How to fix CVE-2021-30848?
To fix CVE-2021-30848, 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-2021-30848 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-30848 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-2021-30848?
CVE-2021-30848 affects Apple iOS and iPadOS, Apple iOS and iPadOS, Apple Safari.
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