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Buffer Overflow Affecting firefox-esr package, versions <68.8.0esr-1~deb10u1

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.36% (87th percentile)
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NVD
9.8 critical
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SUSE
7.5 high
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Red Hat
9.8 critical

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  • Snyk ID SNYK-DEBIAN10-FIREFOXESR-568190
  • published 5 May 2020
  • disclosed 26 May 2020
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Introduced: 5 May 2020

CVE-2020-6831 Open this link in a new tab
CWE-120 Open this link in a new tab

How to fix?

Upgrade Debian:10 firefox-esr to version 68.8.0esr-1~deb10u1 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:10 relevant fixed versions and status.

A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.