CVE-2020-27919

7.8 highEPSS 1.1%

High (7.8) in apple mac os x. EPSS 1.1% chance of exploitation in the next 30 days.

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. 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: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2021-04-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:mac_os_x

References

https://support.apple.com/en-us/HT211931
https://support.apple.com/en-us/HT212011
https://support.apple.com/en-us/HT211931
https://support.apple.com/en-us/HT212011

Check your stack JSON