Is CVE-2014-8240 actively exploited?

CVE-2014-8240 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2014-8240?

CVE-2014-8240 has a CVSS score of 7.5 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P.

How do I patch CVE-2014-8240?

Patch guidance is available from tigervnc security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2014-8240.

CVE-2014-8240 - remediation guidance & executive summary

Q: Which products are affected by CVE-2014-8240?

5 products: tigervnc tigervnc, tigervnc tigervnc, tigervnc tigervnc, tigervnc tigervnc, tigervnc tigervnc.

Description

Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow, a similar issue to CVE-2014-6051.

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: partial
Integrity: partial
Availability: partial
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: TIGERVNC
Published: 10/16/2014
Last Modified: 4/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

tigervnc : tigervnctigervnc : tigervnctigervnc : tigervnctigervnc : tigervnctigervnc : tigervnc

Remediation Guidance

Executive Summary

View on NIST NVD