CVE-2021-30785

7.8 highEPSS 1.8%

High (7.8) in apple. EPSS 1.8% chance of exploitation in the next 30 days.

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted image may lead to arbitrary code execution.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2021-09-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:iphone_os
apple:mac_os_x
apple:macos
apple:tvos
apple:watchos

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/HT212604
https://support.apple.com/en-us/HT212605

Check your stack JSON