Vulnerability Database

299,758

Total vulnerabilities in the database

CVE-2017-5403

When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object. This triggers a use-after-free, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 52 and Thunderbird < 52.

  • Published: Jun 11, 2018
  • Updated: Nov 9, 2025
  • CVE: CVE-2017-5403
  • 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 / thunderbird - 52.0
mozilla / firefox - 52.0