CVE-2021-30934

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.82% Top 30%
Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org
Affected: Apple watchOS
Affected: Apple iOS and iPadOS
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT212975
https://support.apple.com/en-us/HT212976
https://support.apple.com/en-us/HT212978
https://support.apple.com/en-us/HT212980
https://support.apple.com/en-us/HT212982
http://www.openwall.com/lists/oss-security/2022/01/21/2 mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/ vendor advisory
https://www.debian.org/security/2022/dsa-5061 vendor advisory
https://www.debian.org/security/2022/dsa-5060 vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30934?
CVE-2021-30934 has been scored as a high severity vulnerability.
How to fix CVE-2021-30934?
To fix CVE-2021-30934, 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-2021-30934 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-30934 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-2021-30934?
CVE-2021-30934 affects Apple watchOS, Apple iOS and iPadOS, Apple macOS, Apple macOS, Apple macOS.
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