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CVE-2021-29975 Affecting firefox package, versions <90.0-1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Integrity High

    Threat Intelligence

    EPSS 0.17% (53rd percentile)
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NVD
6.5 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-1317004
  • published 14 Jul 2021
  • disclosed 5 Aug 2021
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Introduced: 14 Jul 2021

CVE-2021-29975 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 90.0-1 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.

Through a series of DOM manipulations, a message, over which the attacker had control of the text but not HTML or formatting, could be overlaid on top of another domain (with the new domain correctly shown in the address bar) resulting in possible user confusion. This vulnerability affects Firefox < 90.