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Home TigervncCVE-2017-7394

High

7.5CVSS

CVE-2017-7394

Vendor:Tigervnc

Published: 1 Apr 2017

Updated 1y ago

Generated remediation guidance and an executive summary. No account required.

Description

In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-20 · Improper Input Validation

Metadata

Primary Vendor: TIGERVNC
Published: 4/1/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

tigervnc : tigervnc

Remediation Guidance

Executive Summary

View on NIST NVD

Fix CVE-2017-7394 - HIGH tigervnc tigervnc | CVEDatabase.com

Related reading

Use CWE-20, Tigervnc vendor hub and Tigervnc product page to widen CVE-2017-7394 into its surrounding weakness, vendor, and product context.

Compare it with CVE-2026-34352, CVE-2025-26601 and CVE-2025-26600 for nearby disclosures in the same product family.