CVE-2018-12403

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CVSS 3.0

5.3 medium

EPSS

2%p78

Published

Feb 28, 2019 (Feb 28, 2019)

Modified

Jun 17, 2026

Description

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.

Vendors: mozilla canonical
Products: firefox, ubuntu linux
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.9%)

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