How severe is CVE-2018-18016?

CVE-2018-18016 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-18016 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-2018-18016?

CVE-2018-18016 affects Imagemagick. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18016?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-18016 published?

CVE-2018-18016 was published on 2018-10-05 and last updated on 2026-06-17.

CVE-2018-18016

CVE-2018-18016 is a medium-severity vulnerability in Imagemagick with a CVSS 3.x base score of 6.5. 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-772.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-772
Affected product: Imagemagick
Published: 2018-10-05
Last modified: 2026-06-17

Description

ImageMagick 7.0.7-28 has a memory leak vulnerability in WritePCXImage in coders/pcx.c.

Frequently asked questions

What is CVE-2018-18016?: ImageMagick 7.0.7-28 has a memory leak vulnerability in WritePCXImage in coders/pcx.c.
How severe is CVE-2018-18016?: CVE-2018-18016 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-18016 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-2018-18016?: CVE-2018-18016 affects Imagemagick. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18016?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18016 published?: CVE-2018-18016 was published on 2018-10-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:imagemagick:imagemagick:7.0.7-28:*:*:*:*:*:*:*

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