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Out-of-bounds Read Affecting firefox package, versions <49.0-1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.84% (82nd percentile)
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NVD
6.5 medium
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Red Hat
5.6 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-424518
  • published 22 Sep 2016
  • disclosed 22 Sep 2016
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Introduced: 22 Sep 2016

CVE-2016-5271 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 49.0-1 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.

The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a "display: contents" Cascading Style Sheets (CSS) property.