CVE-2020-26978 Affecting firefox package, versions <84.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.17% (56th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOX-1051634
  • published16 Dec 2020
  • disclosed7 Jan 2021

Introduced: 16 Dec 2020

CVE-2020-26978  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox to version 84.0-1 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.

Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

CVSS Scores

version 3.1