Improper Restriction of Rendered UI Layers or Frames Affecting firefox-x11 package, versions <0:115.8.0-1.el9_2


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOXX11-6278480
  • published27 Feb 2024
  • disclosed20 Feb 2024

Introduced: 20 Feb 2024

CVE-2024-1549  (opens in a new tab)
CWE-1021  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox-x11 to version 0:115.8.0-1.el9_2 or higher.
This issue was patched in RHSA-2024:0983.

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.

If a website set a large custom cursor, portions of the cursor could have overlapped with the permission dialog, potentially resulting in user confusion and unexpected granted permissions. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

CVSS Scores

version 3.1