Out-of-Bounds Affecting firefox package, versions <0:68.7.0-2.el6_10


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-RHEL6-FIREFOX-1524721
  • published26 Jul 2021
  • disclosed8 Apr 2020

Introduced: 8 Apr 2020

CVE-2020-6821  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:6 firefox to version 0:68.7.0-2.el6_10 or higher.
This issue was patched in RHSA-2020:1429.

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 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