How severe is CVE-2018-16413?

CVE-2018-16413 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-16413 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16413?

CVE-2018-16413 affects Imagemagick. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16413?

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-2018-16413 published?

CVE-2018-16413 was published on 2018-09-03 and last updated on 2026-06-17.

CVE-2018-16413

CVE-2018-16413 is a high-severity vulnerability in Imagemagick with a CVSS 3.x base score of 8.8. 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-125.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Imagemagick
Published: 2018-09-03
Last modified: 2026-06-17

Description

ImageMagick 7.0.8-11 Q16 has a heap-based buffer over-read in the MagickCore/quantum-private.h PushShortPixel function when called from the coders/psd.c ParseImageResourceBlocks function.

Frequently asked questions

What is CVE-2018-16413?: ImageMagick 7.0.8-11 Q16 has a heap-based buffer over-read in the MagickCore/quantum-private.h PushShortPixel function when called from the coders/psd.c ParseImageResourceBlocks function.
How severe is CVE-2018-16413?: CVE-2018-16413 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-16413 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16413?: CVE-2018-16413 affects Imagemagick. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16413?: 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-2018-16413 published?: CVE-2018-16413 was published on 2018-09-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:imagemagick:imagemagick:7.0.8-11:q16:*:*:*:*:*:*

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