Environment Affecting firefox-esr package, versions <45.2.0-r0


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
2.5% (91st percentile)

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  • Snyk IDSNYK-ALPINE34-FIREFOXESR-468432
  • published22 Sept 2019
  • disclosed22 Sept 2019
  • creditUnknown

Introduced: 22 Sep 2019

CVE-2016-2821  (opens in a new tab)

How to fix?

Upgrade Alpine:3.4 firefox-esr to version 45.2.0-r0 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 Alpine. See How to fix? for Alpine:3.4 relevant fixed versions and status.

Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.

CVSS Base Scores

version 3.1