CVE-2018-3973

Name: CVE-2018-3973
Creator: NVD / NIST
Published: 2019-02-06T21:29:00.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.89%

Last modified Jun 17, 2026

CVE-2018-3973 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version 5.0.0. A specially crafted CAL image processed via the application can lead to an out of bounds write overwriting arbitrary data. EPSS estimates a 1.89% chance of exploitation in the next 30 days.

Description

An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version 5.0.0. A specially crafted CAL image processed via the application can lead to an out of bounds write overwriting arbitrary data. An attacker can deliver a PCX image to trigger this vulnerability and gain code execution.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.89%

77.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Canvasgfx	Canvas Draw	5.0.0

References

http://www.securityfocus.com/bid/106809Broken Link, Third Party Advisory, VDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0638Exploit, Third Party Advisory
http://www.securityfocus.com/bid/106809Broken Link, Third Party Advisory, VDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0638Exploit, Third Party Advisory

Timeline

Published: Feb 6, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3973?

How severe is CVE-2018-3973?

CVE-2018-3973 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.89% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3973?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-3973?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST