What is CVE-2017-14400?

CVE-2017-14400 is a medium-severity vulnerability in Imagemagick, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2017-09-12.

How severe is CVE-2017-14400?

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

NULL pointer dereference in Imagemagick

CVE-2017-14400

In ImageMagick 7.0.7-1 Q16, the PersistPixelCache function in magick/cache.c mishandles the pixel cache nexus, which allows remote attackers to cause a denial of service (NULL pointer dereference in the function GetVirtualPixels in MagickCore/cache.c) via a crafted file.

Published 2017-09-12 · 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: 0.022 (81.5th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Imagemagick — versions 7.0.7-1

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

www.securityfocus.com/bid/100865 (VDB Entry, Third Party Advisory, vdb-entry)
usn.ubuntu.com/3681-1/ (vendor-advisory)
github.com/ImageMagick/ImageMagick/issues/746 (Exploit, Third Party Advisory)
lists.debian.org/debian-lts-announce/2019/05/msg00015.html (mailing-list)
lists.debian.org/debian-lts-announce/2020/09/msg00007.html (mailing-list)

Frequently asked questions

What is CVE-2017-14400?: CVE-2017-14400 is a medium-severity vulnerability in Imagemagick, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2017-09-12.
How severe is CVE-2017-14400?: Medium severity. CVSS v3 base score is 6.5 out of 10.