Information Exposure Affecting firefox package, versions <0:78.8.0-1.el8_1


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.94% (84th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-3941939
  • published26 Jul 2021
  • disclosed23 Feb 2021

Introduced: 23 Feb 2021

CVE-2021-23968  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:78.8.0-1.el8_1 or higher.
This issue was patched in RHSA-2021:0659.

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:8 relevant fixed versions and status.

If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

CVSS Scores

version 3.1