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Use After Free Affecting firefox-esr package, versions <52.6.0esr-1

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.5% (77th 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-355151
  • published 11 Jun 2018
  • disclosed 11 Jun 2018
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Introduced: 11 Jun 2018

CVE-2018-5096 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox-esr to version 52.6.0esr-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 editing events in form elements on a page, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6 and Thunderbird < 52.6.