Integer Overflow or Wraparound Affecting tigervnc-server-module package, versions <0:1.8.0-33.0.7.el7_9


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.03% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-TIGERVNCSERVERMODULE-10916463
  • published24 Jul 2025
  • disclosed17 Jun 2025

Introduced: 17 Jun 2025

CVE-2025-49176  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Oracle:7 tigervnc-server-module 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-module package and not the tigervnc-server-module package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check.

References

CVSS Base Scores

version 3.1