Use After Free Affecting firefox-esr package, versions <68.1.0esr-1


0.0
high

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.77% (81st percentile)
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NVD
8.8 high
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Red Hat
8.8 high
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SUSE
7.5 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOXESR-460744
  • published 3 Sep 2019
  • disclosed 27 Sep 2019

How to fix?

Upgrade Debian:unstable firefox-esr to version 68.1.0esr-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.

A use-after-free vulnerability can occur while manipulating video elements if the body is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.