Improper Input Validation Affecting firefox package, versions <56.0-1


0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.17% (53rd percentile)
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NVD
5.3 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-423578
  • published 11 Jun 2018
  • disclosed 11 Jun 2018

How to fix?

Upgrade Debian:unstable firefox to version 56.0-1 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 Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavior. This vulnerability affects Firefox < 56.