CVE-2018-3858

Name: CVE-2018-3858
Creator: NVD / NIST
Published: 2018-07-19T19:29:00.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.46%

Last modified Jun 17, 2026

CVE-2018-3858 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An exploitable heap overflow exists in the TIFF parsing functionality of Canvas Draw version 4.0.0. A specially crafted TIFF image processed via the application can lead to an out-of-bounds write, overwriting arbitrary data. EPSS estimates a 1.46% chance of exploitation in the next 30 days.

Description

An exploitable heap overflow exists in the TIFF parsing functionality of Canvas Draw version 4.0.0. A specially crafted TIFF image processed via the application can lead to an out-of-bounds write, overwriting arbitrary data. An attacker can deliver a TIFF image to trigger this vulnerability and gain the ability to execute code. A different vulnerability than CVE-2018-3857.

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

1.46%

70.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Acdsystems	Canvas Draw	4.0.0

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0542Exploit, Technical Description, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0542Exploit, Technical Description, Third Party Advisory

Timeline

Published: Jul 19, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3858?

How severe is CVE-2018-3858?

CVE-2018-3858 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.46% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3858?

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-2018-3858?

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

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Source: NVD / NIST