CVE-2016-2821 Affecting firefox-esr package, versions <45.2.0esr-1


0.0
high

Snyk CVSS

    Attack Complexity High
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 2.34% (90th percentile)
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NVD
7.5 high
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Red Hat
5.6 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOXESR-355131
  • published 13 Jun 2016
  • disclosed 13 Jun 2016

How to fix?

Upgrade Debian:unstable 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 Debian. See How to fix? for Debian:unstable 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.