What is CVE-2017-12434?

CVE-2017-12434 is a medium-severity vulnerability in Imagemagick, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2017-08-04.

How severe is CVE-2017-12434?

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

Vulnerability in Imagemagick

CVE-2017-12434

In ImageMagick 7.0.6-1, a missing NULL check vulnerability was found in the function ReadMATImage in coders/mat.c, which allows attackers to cause a denial of service (assertion failure) in DestroyImageInfo in image.c.

Published 2017-08-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Imagemagick — versions 7.0.6-1

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

github.com/ImageMagick/ImageMagick/issues/547 (Patch, Third Party Advisory, Issue Tracking)
www.debian.org/security/2017/dsa-4019 (vendor-advisory)

Frequently asked questions

What is CVE-2017-12434?: CVE-2017-12434 is a medium-severity vulnerability in Imagemagick, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2017-08-04.
How severe is CVE-2017-12434?: Medium severity. CVSS v3 base score is 6.5 out of 10.