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CVE-2021-30663

Apple Multiple Products

Apple Multiple Products WebKit Integer Overflow Vulnerability

What it is

Apple iOS, iPadOS, macOS, tvOS, and Safari WebKit contain an integer overflow vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

What to do

Apply updates per vendor instructions.

Vendor notices and references

Description and required action as published by CISA. Full record at NVD.

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