Information Exposure Affecting firefox package, versions <0:78.10.0-1.el7_9


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.47% (76th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-1533139
  • published26 Jul 2021
  • disclosed19 Apr 2021

Introduced: 19 Apr 2021

CVE-2021-23961  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:78.10.0-1.el7_9 or higher.
This issue was patched in RHSA-2021:1363.

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.

Further techniques that built on the slipstream research combined with 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 < 85.

CVSS Scores

version 3.1