Information Exposure Affecting firefox package, versions <0:78.6.0-1.el7_9


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-1532107
  • published26 Jul 2021
  • disclosed15 Dec 2020

Introduced: 15 Dec 2020

CVE-2020-26978  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:78.6.0-1.el7_9 or higher.
This issue was patched in RHSA-2020:5561.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:7 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