CVE-2021-43541 Affecting firefox-esr package, versions <91.4.0esr-1


0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Integrity High

    Threat Intelligence

    EPSS 0.24% (62nd percentile)
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NVD
6.5 medium
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SUSE
6.1 medium
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Red Hat
6.1 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOXESR-2312011
  • published 8 Dec 2021
  • disclosed 8 Dec 2021

How to fix?

Upgrade Debian:unstable firefox-esr to version 91.4.0esr-1 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:unstable relevant fixed versions and status.

When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.