Main Vulnerability Database Vulnerabilities #VU50885

Race condition in Firefox for Android - CVE-2021-23977

Published: February 23, 2021

Vulnerability identifier: #VU50885

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-23977

CWE-ID: CWE-367

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a malicious application to read sensitive information.

The vulnerability exists due to a race condition. A local application can read sensitive data from Firefox directories.

Firefox for Android
Gentoo Linux

Install updates from vendor's website.

Firefox for Android - update to 86.1.0