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Origin Validation Error Affecting firefox-esr package, versions <45.6.0esr-1

Severity

 Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.35% (73rd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOXESR-354269
  • published11 Jun 2018
  • disclosed11 Jun 2018
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Introduced: 11 Jun 2018

CVE-2016-9902  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox-esr to version 45.6.0esr-1 or higher.

NVD Description

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

The Pocket toolbar button, once activated, listens for events fired from it's own pages but does not verify the origin of incoming events. This allows content from other origins to fire events and inject content and commands into the Pocket context. Note: this issue does not affect users with e10s enabled. This vulnerability affects Firefox ESR < 45.6 and Firefox < 50.1.