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CVE-2021-30759 A stack overflow was addressed with improved input validation

Description

A stack overflow was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.

Affected products and versions

Product Affected versions Fixed in
Security Update - Catalina 2021 earliest → < 2021 2021
iOS 14.7 earliest → < 14.7 14.7
macOS 7.6 earliest → < 7.6 7.6

References

Timeline

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The 43 CVEs of Security Update - Catalina →
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