What’s Vulnerable › Vulnerabilities

CVE-2019-8761

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-27 · updated 2026-06-17

Description

This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, macOS Catalina 10.15. Parsing a maliciously crafted text file may lead to disclosure of user information.

Affected products

• macOS: before 10.15 — fixed in 10.15

How to fix

Upgrade to a fixed version: macOS 10.15. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT210634
• https://support.apple.com/en-us/HT210722
• https://www.paulosyibelo.com/2021/04/this-man-thought-opening-txt-file-is.html
• https://support.apple.com/en-us/HT210634
• https://support.apple.com/en-us/HT210722
• https://www.paulosyibelo.com/2021/04/this-man-thought-opening-txt-file-is.html

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