Improper Locking Affecting tigervnc-server-minimal package, versions <0:1.8.0-24.amzn2.0.6


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.19% (42nd percentile)

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  • Snyk IDSNYK-AMZN2-TIGERVNCSERVERMINIMAL-10692452
  • published11 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 Amazon-Linux:2 tigervnc-server-minimal to version 0:1.8.0-24.amzn2.0.6 or higher.
This issue was patched in ALAS2-2025-2917.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tigervnc-server-minimal package and not the tigervnc-server-minimal package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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