Information Exposure Affecting firefox package, versions <0:91.4.0-1.0.1.el7_9


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
1.56% (88th percentile)

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  • Snyk IDSNYK-ORACLE7-FIREFOX-2596137
  • published10 Apr 2022
  • disclosed8 Dec 2021

Introduced: 8 Dec 2021

CVE-2021-43542  (opens in a new tab)
CWE-209  (opens in a new tab)

How to fix?

Upgrade Oracle:7 firefox to version 0:91.4.0-1.0.1.el7_9 or higher.
This issue was patched in ELSA-2021-5014.

NVD Description

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

Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVSS Scores

version 3.1