Is CVE-2017-7393 actively exploited?

CVE-2017-7393 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2017-7393?

CVE-2017-7393 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2017-7393?

Patch guidance is available from tigervnc security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-7393.

Fix CVE-2017-7393 - HIGH tigervnc tigervnc

Description

In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-415

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.

CVE-2017-7393

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary