Use After Free Affecting firefox-esr package, versions <60.2.0esr-1


0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.71% (81st percentile)
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NVD
9.8 critical
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SUSE
6.5 medium
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Red Hat
9.8 critical

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  • Snyk ID SNYK-DEBIAN10-FIREFOXESR-354222
  • published 25 Sep 2018
  • disclosed 18 Oct 2018

How to fix?

Upgrade Debian:10 firefox-esr to version 60.2.0esr-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:10 relevant fixed versions and status.

A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by JavaScript code that is providing payload values to be stored. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.