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Improper Input Validation Affecting firefox package, versions <57.0-1

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.26% (66th percentile)
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NVD
5.3 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-421948
  • published 11 Jun 2018
  • disclosed 11 Jun 2018
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Introduced: 11 Jun 2018

CVE-2017-7833 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 57.0-1 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.

Some Arabic and Indic vowel marker characters can be combined with Latin characters in a domain name to eclipse the non-Latin character with some font sets on the addressbar. The non-Latin character will not be visible to most viewers. This allows for domain spoofing attacks because these combined domain names do not display as punycode. This vulnerability affects Firefox < 57.