CVE-2021-30771

EPSS 1.3%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

18 Mar 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, iOS 14.6 and iPadOS 14.6, watchOS 7.5, tvOS 14.6. Processing a maliciously crafted font file may lead to arbitrary code execution.

Affected products

Apple · iOS and iPadOS Apple · macOS Apple · tvOS Apple · watchOS

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References

https://support.apple.com/en-us/HT212528 https://support.apple.com/en-us/HT212529 https://support.apple.com/en-us/HT212532 https://support.apple.com/en-us/HT212533