How severe is CVE-2017-18209?

CVE-2017-18209 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-2017-18209 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18209?

CVE-2017-18209 primarily affects Imagemagick. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-18209?

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-2017-18209 published?

CVE-2017-18209 was published on 2018-03-01 and last updated on 2026-06-17.

CVE-2017-18209

CVE-2017-18209 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-476.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Imagemagick
Published: 2018-03-01
Last modified: 2026-06-17

Description

In the GetOpenCLCachedFilesDirectory function in magick/opencl.c in ImageMagick 7.0.7, a NULL pointer dereference vulnerability occurs because a memory allocation result is not checked, related to GetOpenCLCacheDirectory.

Frequently asked questions

What is CVE-2017-18209?: In the GetOpenCLCachedFilesDirectory function in magick/opencl.c in ImageMagick 7.0.7, a NULL pointer dereference vulnerability occurs because a memory allocation result is not checked, related to GetOpenCLCacheDirectory.
How severe is CVE-2017-18209?: CVE-2017-18209 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-2017-18209 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18209?: CVE-2017-18209 primarily affects Imagemagick. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-18209?: 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-2017-18209 published?: CVE-2017-18209 was published on 2018-03-01 and last updated on 2026-06-17.

References

Affected products (30)

cpe:2.3:a:imagemagick:imagemagick:7.0.7-0:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-1:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-2:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-3:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-4:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-5:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-6:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-8:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-9:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-10:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-11:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-12:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-13:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-14:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-15:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-16:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-17:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-18:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-19:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-20:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-21:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-22:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-23:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-24:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7-25:*:*:*:*:*:*:*
cpe:2.3:a:imagemagick:imagemagick:7.0.7.7:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

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