Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Related CVEs

CVE-2020-15657

Key Information

GHSA ID

GHSA-vxw8-wvxp-5f2r

Published

May 24, 2022 5:25 PM

Last Modified

May 24, 2022 5:25 PM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 9, 2025 6:37 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.