How severe is CVE-2016-8866?

CVE-2016-8866 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-2016-8866 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8866?

CVE-2016-8866 primarily affects Imagemagick. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-8866?

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-2016-8866 published?

CVE-2016-8866 was published on 2017-02-15 and last updated on 2026-06-17.

CVE-2016-8866

CVE-2016-8866 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Imagemagick
Published: 2017-02-15
Last modified: 2026-06-17

Description

The AcquireMagickMemory function in MagickCore/memory.c in ImageMagick 7.0.3.3 before 7.0.3.8 allows remote attackers to have unspecified impact via a crafted image, which triggers a memory allocation failure. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-8862.

Frequently asked questions

What is CVE-2016-8866?: The AcquireMagickMemory function in MagickCore/memory.c in ImageMagick 7.0.3.3 before 7.0.3.8 allows remote attackers to have unspecified impact via a crafted image, which triggers a memory allocation failure. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-8862.
How severe is CVE-2016-8866?: CVE-2016-8866 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-2016-8866 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8866?: CVE-2016-8866 primarily affects Imagemagick. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-8866?: 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-2016-8866 published?: CVE-2016-8866 was published on 2017-02-15 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

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