What is CVE-2016-10066?

CVE-2016-10066 is a medium-severity vulnerability in Imagemagick, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2017-03-03.

How severe is CVE-2016-10066?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Imagemagick

CVE-2016-10066

Buffer overflow in the ReadVIFFImage function in coders/viff.c in ImageMagick before 6.9.4-5 allows remote attackers to cause a denial of service (application crash) via a crafted file.

Vulnerability class: Buffer Overflow

Published 2017-03-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.017 (75.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Imagemagick

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.securityfocus.com/bid/95217 (VDB Entry, Third Party Advisory, vdb-entry)
bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
www.openwall.com/lists/oss-security/2016/12/26/9 (mailing-list, Mailing List, Third Party Advisory)
github.com/ImageMagick/ImageMagick/commit/f6e9d0d9955e85bdd7540b251cd50d598dacc… (Third Party Advisory, Issue Tracking)
github.com/ImageMagick/ImageMagick/commit/e45e48b881038487d0bc94d92a16c1537616c… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-10066?: CVE-2016-10066 is a medium-severity vulnerability in Imagemagick, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2017-03-03.
How severe is CVE-2016-10066?: Medium severity. CVSS v3 base score is 5.5 out of 10.