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Out-of-Bounds Affecting firefox package, versions <78.0-1

0.0
high

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.73% (81st percentile)
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NVD
8.8 high
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Red Hat
8.8 high
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SUSE
8.8 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-574988
  • published 1 Jul 2020
  • disclosed 9 Jul 2020
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Introduced: 1 Jul 2020

CVE-2020-12417 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 78.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. Note: this issue only affects Firefox on ARM64 platforms. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.