CVE-2017-5386 | Mend Vulnerability Database

Vulnerability DatabaseCVE-2017-5386

CVE-2017-5386

Published:June 11, 2018

Updated:May 17, 2026

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.

Related Resources (11)

https://security-tracker.debian.org/tracker/CVE-2017-5386

https://people.canonical.com/~ubuntu-security/cve/CVE-2017-5386

http://www.securityfocus.com/bid/95769

https://www.mozilla.org/security/advisories/mfsa2017-02/

https://www.debian.org/security/2017/dsa-3771

https://security.gentoo.org/glsa/201702-22

https://access.redhat.com/security/cve/CVE-2017-5386

http://rhn.redhat.com/errata/RHSA-2017-0190.html

https://www.mozilla.org/security/advisories/mfsa2017-01/

http://www.securitytracker.com/id/1037693

https://bugzilla.mozilla.org/show_bug.cgi?id=1319070