CVE-2018-12403
First published: Tue Oct 23 2018(Updated: )
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.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <63 | 63 |
| Mozilla Firefox | <63.0 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| debian/firefox | 133.0.3-1 |
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Reference Links
- http://www.securityfocus.com/bid/105721
- https://bugzilla.mozilla.org/show_bug.cgi?id=1484753
- https://www.mozilla.org/security/advisories/mfsa2018-26/
- http://www.securitytracker.com/id/1041944
- https://usn.ubuntu.com/3801-1/
- https://launchpad.net/bugs/cve/CVE-2018-12403
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-26/
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-26/#CVE-2018-12403
- https://security-tracker.debian.org/tracker/CVE-2018-12403
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12403
- https://nvd.nist.gov/vuln/detail/CVE-2018-12403
- https://ubuntu.com/security/CVE-2018-12403
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2018-12403?
CVE-2018-12403 is a vulnerability that affects Firefox versions prior to 63.
How does CVE-2018-12403 affect web browsers?
CVE-2018-12403 allows web browsers to load a favicon resource over HTTP when the site is loaded over a secure HTTPS connection.
What is the severity of CVE-2018-12403?
CVE-2018-12403 has a severity value of 5.3, which is classified as medium.
How can I fix CVE-2018-12403?
To fix CVE-2018-12403, users should update their Firefox browser to version 63 or higher.
Where can I find more information about CVE-2018-12403?
More information about CVE-2018-12403 can be found on the Mozilla website and in the CVE database.
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/severity
- collector/mozilla-advisory
- agent/software-canonical-lookup-request
- source/Mozilla
- agent/software-canonical-lookup
- collector/nvd-index
- collector/mitre-cve
- source/MITRE
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- source/Ubuntu
- agent/references
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- collector/nvd-cve
- source/NVD
- agent/last-modified-date
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- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- vendor/mozilla
- canonical/mozilla firefox
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/14.04
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- version/canonical ubuntu linux/18.10
- package-manager/debian