Exposure of System Data to an Unauthorized Control Sphere Affecting firefox package, versions <0:91.9.0-1.el8_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.14% (52nd percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-4196732
  • published4 May 2022
  • disclosed3 May 2022

Introduced: 3 May 2022

CVE-2022-29916  (opens in a new tab)
CWE-497  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:91.9.0-1.el8_4 or higher.
This issue was patched in RHSA-2022:1702.

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.

Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

CVSS Scores

version 3.1