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CVE-2021-30734 Details

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to arbitrary code execution.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://support.apple.com/en-us/HT212528 CVEVendor Advisory
https://support.apple.com/en-us/HT212529 CVEVendor Advisory
https://support.apple.com/en-us/HT212532 CVEVendor Advisory
https://support.apple.com/en-us/HT212533 CVEVendor Advisory
https://support.apple.com/en-us/HT212534 CVEVendor Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-30734
NVD Published Date:
Sep 8, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]