Use of Uninitialized Resource Affecting firefox package, versions <0:68.7.0-2.0.1.el7_8


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-ORACLE7-FIREFOX-2553628
  • published10 Apr 2022
  • disclosed24 Apr 2020

Introduced: 24 Apr 2020

CVE-2020-6821  (opens in a new tab)
CWE-908  (opens in a new tab)

How to fix?

Upgrade Oracle:7 firefox to version 0:68.7.0-2.0.1.el7_8 or higher.
This issue was patched in ELSA-2020-1420.

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.

When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

CVSS Scores

version 3.1