Out-of-bounds Write Affecting tigervnc-server-applet package, versions <0:1.8.0-24.amzn2.0.11


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.2% (11th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN2-TIGERVNCSERVERAPPLET-21696316
  • published25 Oct 2026
  • disclosed28 Oct 2026

Introduced: 25 Oct 2026

NewCVE-2026-93519  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 tigervnc-server-applet to version 0:1.8.0-24.amzn2.0.11 or higher.
This issue was patched in ALAS2-2026-4013.

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 Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A buffer overflow when handling pointer barriers in the XFIXES extension in X.Org X server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.

CVSS Base Scores

version 3.1