Vulnerability Database

299,879

Total vulnerabilities in the database

CVE-2019-9820

A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

  • Published: Jul 23, 2019
  • Updated: Nov 9, 2025
  • CVE: CVE-2019-9820
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
mozilla / firefox_esr - 60.7
mozilla / firefox - 67.0
mozilla / thunderbird - 60.7.0