Use After Free Affecting firefox-esr package, versions <52.2.0esr-1


0.0
high

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.68% (80th percentile)
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NVD
8.8 high
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Red Hat
8.8 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOXESR-354425
  • published 11 Jun 2018
  • disclosed 11 Jun 2018

How to fix?

Upgrade Debian:unstable firefox-esr to version 52.2.0esr-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.

A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages due to how events are handled. This results in a potentially exploitable crash but would require specific user interaction to trigger. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.