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CVE-2020-12409 Affecting firefox package, versions <77.0-1

0.0
high

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.18% (56th percentile)
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NVD
8.8 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-570851
  • published 2 Jun 2020
  • disclosed 9 Jul 2020
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Introduced: 2 Jun 2020

CVE-2020-12409 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 77.0-1 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.

When using certain blank characters in a URL, they where incorrectly rendered as spaces instead of an encoded URL. This vulnerability affects Firefox < 77.