Improper Locking Affecting tigervnc-server-applet package, versions <0:1.8.0-33.0.7.el7_9


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.03% (5th percentile)

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  • Snyk IDSNYK-ORACLE7-TIGERVNCSERVERAPPLET-10916461
  • published24 Jul 2025
  • disclosed17 Jun 2025

Introduced: 17 Jun 2025

CVE-2025-49178  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Oracle:7 tigervnc-server-applet to version 0:1.8.0-33.0.7.el7_9 or higher.
This issue was patched in ELSA-2025-10375.

NVD Description

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

A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.

References

CVSS Base Scores

version 3.1