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CVE-2021-30952

🔥 Known Exploited (CISA KEV)HIGH

7.8

CVSS Severity Score

EPSS Score66.8930%

EPSS Percentile94.57th

Published2021-08-24

Last Modified2026-03-06

Data SourcesNVDCISA KEVFIRST.org EPSS

Vulnerability Description

An integer overflow was addressed with improved input validation. 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.

Affected Platforms (CPE)

📦

Apple

Safari

< 15.2

💻

Apple

Ipados

< 15.2

💻

Apple

Iphone Os

< 15.2

💻

Apple

Macos

>= 12.0 and < 12.1

References & Advisories

🔗 http://www.openwall.com/lists/oss-security/2022/01/21/2

🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/

🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/

🔗 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

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