What is CVE-2017-12876?

CVE-2017-12876 is a medium-severity vulnerability in Imagemagick, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2017-08-28.

How severe is CVE-2017-12876?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Imagemagick

CVE-2017-12876

Heap-based buffer overflow in enhance.c in ImageMagick before 7.0.6-6 allows remote attackers to cause a denial of service via a crafted file.

Vulnerability class: Buffer Overflow

Published 2017-08-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.030 (87.2th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Imagemagick

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

blogs.gentoo.org/ago/2017/08/10/imagemagick-heap-based-buffer-overflow-in-omp_o… (Patch, VDB Entry, Third Party Advisory)
www.openwall.com/lists/oss-security/2017/08/16/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
github.com/ImageMagick/ImageMagick/commit/1cc6f0ccc92c20c7cab6c4a7335daf29c91f0… (Patch, Third Party Advisory, Issue Tracking)
security.gentoo.org/glsa/201711-07 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2017-12876?: CVE-2017-12876 is a medium-severity vulnerability in Imagemagick, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2017-08-28.
How severe is CVE-2017-12876?: Medium severity. CVSS v3 base score is 6.5 out of 10.