Improper Restriction of Rendered UI Layers or Frames Affecting firefox-x11 package, versions <0:115.5.0-1.el9_2


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.19% (57th percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOXX11-6095143
  • published30 Nov 2023
  • disclosed21 Nov 2023

Introduced: 21 Nov 2023

CVE-2023-6208  (opens in a new tab)
CWE-1021  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox-x11 to version 0:115.5.0-1.el9_2 or higher.
This issue was patched in RHSA-2023:7577.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-x11 package and not the firefox-x11 package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a temporary storage not unlike the clipboard. This bug only affects Firefox on X11. Other systems are unaffected. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

CVSS Scores

version 3.1