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Out-of-bounds Read Affecting firefox-esr package, versions <52.3.0esr-1

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Availability High

    Threat Intelligence

    EPSS 0.39% (74th percentile)
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NVD
9.1 critical
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Red Hat
9.1 critical

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  • Snyk ID SNYK-DEBIAN12-FIREFOXESR-1545977
  • published 11 Jun 2018
  • disclosed 11 Jun 2018
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Introduced: 11 Jun 2018

CVE-2017-7753 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Debian:12 firefox-esr to version 52.3.0esr-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:12 relevant fixed versions and status.

An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.