How severe is CVE-2018-3859?

CVE-2018-3859 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-3859 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3859?

CVE-2018-3859 affects Acdsystems Canvas Draw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3859?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-3859 published?

CVE-2018-3859 was published on 2018-07-19 and last updated on 2026-06-17.

CVE-2018-3859

CVE-2018-3859 is a high-severity vulnerability in Acdsystems Canvas Draw with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Acdsystems Canvas Draw
Published: 2018-07-19
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-3859?: CVE-2018-3859 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-3859 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3859?: CVE-2018-3859 affects Acdsystems Canvas Draw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3859?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-3859 published?: CVE-2018-3859 was published on 2018-07-19 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0543

Affected products (1)

cpe:2.3:a:acdsystems:canvas_draw:4.0.0:*:*:*:*:*:*:*

More vulnerabilities in Acdsystems Canvas Draw

CVE-2018-3871 — High (CVSS 7.8): An exploitable out-of-bounds write exists in the PCX parsing functionality of Canvas Draw version 4.0.0. A specially…
CVE-2018-3870 — High (CVSS 7.8): An exploitable out-of-bounds write exists in the PCX parsing functionality of Canvas Draw version 4.0.0. A specially…
CVE-2018-3860 — High (CVSS 7.8): An exploitable out-of-bounds write exists in the TIFF parsing functionality of Canvas Draw version 4.0.0. A specially…
CVE-2018-3858 — High (CVSS 7.8): An exploitable heap overflow exists in the TIFF parsing functionality of Canvas Draw version 4.0.0. A specially crafted…
CVE-2018-3857 — High (CVSS 7.8): An exploitable heap overflow exists in the TIFF parsing functionality of Canvas Draw version 4.0.0. A specially crafted…

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