CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.1. It affects Windows, Firefox.
CVE
CVE-2021-29964
Severity
HIGH
CVSS
7.1
EPSS
0.79%
Windows Firefox
Original NVD Description
A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.
Related CVEs
Other vulnerabilities affecting the same vendor(s)