Use After Free Affecting firefox-esr package, versions <45.8.0esr-1


0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 92.44% (99th percentile)
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NVD
9.8 critical
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Red Hat
9.8 critical

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOXESR-355070
  • published 11 Jun 2018
  • disclosed 11 Jun 2018

How to fix?

Upgrade Debian:unstable firefox-esr to version 45.8.0esr-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 error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside of it. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.