Information Exposure Affecting firefox package, versions <98.0-1


0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.08% (31st percentile)
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NVD
4.3 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-2420046
  • published 9 Mar 2022
  • disclosed 22 Dec 2022

How to fix?

Upgrade Debian:unstable firefox to version 98.0-1 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.

While the text displayed in Autofill tooltips cannot be directly read by JavaScript, the text was rendered using page fonts. Side-channel attacks on the text by using specially crafted fonts could have lead to this text being inferred by the webpage. This vulnerability affects Firefox < 98.