Vulnerability Database

314,453

Total vulnerabilities in the database

CVE-2018-12403

If a site is loaded over a HTTPS connection but loads a favicon resource over HTTP, the mixed content warning is not displayed to users. This vulnerability affects Firefox < 63.

  • Published: Feb 28, 2019
  • Updated: Nov 9, 2025
  • CVE: CVE-2018-12403
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:P/A:N

No CWE or OWASP classifications available.

Software From Fixed in
mozilla / firefox - 63.0
canonical / ubuntu_linux 16.04 16.04.x
canonical / ubuntu_linux 14.04 14.04.x
canonical / ubuntu_linux 18.04 18.04.x
canonical / ubuntu_linux 18.10 18.10.x