Security Features Affecting firefox-esr package, versions <45.0esr-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
2.21% (81st percentile)

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  • Snyk IDSNYK-ECHOLATEST-FIREFOXESR-18168566
  • published22 Jul 2026
  • disclosed13 Mar 2016

Introduced: 13 Mar 2016

CVE-2016-1965  (opens in a new tab)
CWE-254  (opens in a new tab)

How to fix?

Upgrade Echo:latest firefox-esr to version 45.0esr-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 Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 mishandle a navigation sequence that returns to the original page, which allows remote attackers to spoof the address bar via vectors involving the history.back method and the location.protocol property.

CVSS Base Scores

version 3.1