CVE-2021-30799

CVE-2021-30799: vulnerability in Apple iOS

Published 08 Sep 2021 · Updated 03 Aug 2024

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 2.3%

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution.

Affected products

Apple · iOS Apple · macOS Apple · Security Update - Catalina

Related CVEs — Apple iOS

In the same product, most dangerous first.

CVE-2021-30860HIGHCVE-2021-30860EPSS 76.0%KEV CVE-2021-30657MEDIUMCVE-2021-30657EPSS 68.5%KEV CVE-2025-43300CRITICALCVE-2025-43300EPSS 65.2%KEV CVE-2023-41064HIGHCVE-2023-41064EPSS 53.4%KEV CVE-2023-32434HIGHCVE-2023-32434EPSS 51.5%KEV CVE-2021-30807HIGHCVE-2021-30807EPSS 28.8%KEV

References

https://support.apple.com/en-us/HT212600 https://support.apple.com/en-us/HT212601 https://support.apple.com/en-us/HT212602 https://support.apple.com/en-us/HT212603