Information Exposure Affecting firefox package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.94% (84th percentile)

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  • Snyk IDSNYK-RHEL6-FIREFOX-1409119
  • published26 Jul 2021
  • disclosed26 Jan 2021

Introduced: 26 Jan 2021

CVE-2020-26976  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:6 firefox.

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:6 relevant fixed versions and status.

When a HTTPS pages was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing. This vulnerability affects Firefox < 84.

CVSS Scores

version 3.1