CVE-2017-5386 Affecting firefox package, versions <51.0.1+build2-0ubuntu0.16.04.1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.27% (69th percentile)

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  • Snyk IDSNYK-UBUNTU1604-FIREFOX-423581
  • published11 Jun 2018
  • disclosed11 Jun 2018

Introduced: 11 Jun 2018

CVE-2017-5386  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 firefox to version 51.0.1+build2-0ubuntu0.16.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

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.