CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.1. It affects Firefox. Public exploit code or proof-of-concept references have been detected in its references.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
exploit
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2020-12387
Severity
HIGH
CVSS
8.1
EPSS
1.40%
Firefox
Original NVD Description
A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
Related CVEs
Other vulnerabilities affecting the same vendor(s)