Vulnerability Database

313,663

Total vulnerabilities in the database

CVE-2017-5396

A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after the media elements are freed from memory. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

  • Published: Jun 11, 2018
  • Updated: Nov 9, 2025
  • CVE: CVE-2017-5396
  • Severity: High
  • Exploit:

CVSS v2:

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

CWEs: