What is CVE-2018-3859?

CVE-2018-3859 is a high-severity vulnerability in Acd Systems Canvas Draw, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-07-19.

How severe is CVE-2018-3859?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Acd Systems Canvas Draw

CVE-2018-3859

An exploitable out-of-bounds write 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 code execution. A different vulnerability than CVE-2018-3860.

Vulnerability class: Buffer Overflow

Published 2018-07-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (78.0th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Acd Systems Canvas Draw — versions ACD Systems Canvas Draw 4.0
Acdsystems Canvas Draw — versions 4.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

talosintelligence.com/vulnerability_reports/TALOS-2018-0543 (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-3859?: CVE-2018-3859 is a high-severity vulnerability in Acd Systems Canvas Draw, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-07-19.
How severe is CVE-2018-3859?: High severity. CVSS v3 base score is 7.8 out of 10.