Vulnerability Description
Special "about:" pages used by web content, such as RSS feeds, can load privileged "about:" pages in an iframe. If a content-injection bug were found in one of those pages this could allow for potential privilege escalation. This vulnerability affects Firefox < 51.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 51.0 |
References
- http://www.securityfocus.com/bid/95763Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037693Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1309310Issue TrackingPatchVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-01/Vendor Advisory
- http://www.securityfocus.com/bid/95763Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037693Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1309310Issue TrackingPatchVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-01/Vendor Advisory
FAQ
What is CVE-2017-5391?
CVE-2017-5391 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Special "about:" pages used by web content, such as RSS feeds, can load privileged "about:" pages in an iframe. If a content-injection bug were found in one of those pages this could allow for potenti...
How severe is CVE-2017-5391?
CVE-2017-5391 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-5391?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.