Improper Access Control Affecting firefox-esr package, versions <45.2.0esr-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
2.03% (79th percentile)

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  • Snyk IDSNYK-ECHOLATEST-FIREFOXESR-18168595
  • published22 Jul 2026
  • disclosed13 Jun 2016

Introduced: 13 Jun 2016

CVE-2016-2822  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade Echo:latest firefox-esr to version 45.2.0esr-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 47.0 and Firefox ESR 45.x before 45.2 allow remote attackers to spoof the address bar via a SELECT element with a persistent menu.

CVSS Base Scores

version 3.1