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Insufficient Verification of Data Authenticity Affecting firefox-esr package, versions <68.9.0esr-1~deb10u1

0.0
high

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.27% (68th percentile)
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NVD
8.8 high
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Red Hat
8.8 high
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SUSE
7.5 high

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  • Snyk ID SNYK-DEBIAN10-FIREFOXESR-570938
  • published 2 Jun 2020
  • disclosed 9 Jul 2020
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Introduced: 2 Jun 2020

CVE-2020-12406 Open this link in a new tab
CWE-345 Open this link in a new tab

How to fix?

Upgrade Debian:10 firefox-esr to version 68.9.0esr-1~deb10u1 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.

Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.