What is CVE-2017-11533?

CVE-2017-11533 is a medium-severity vulnerability in Imagemagick, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2017-07-23.

How severe is CVE-2017-11533?

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

Out-of-bounds Read in Imagemagick

CVE-2017-11533

When ImageMagick 7.0.6-1 processes a crafted file in convert, it can lead to a heap-based buffer over-read in the WriteUILImage() function in coders/uil.c.

Vulnerability class: Buffer Overflow

Published 2017-07-23 · 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: 0.020 (80.2th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.020 · change: +0.001

Affected products

Imagemagick — versions 7.0.6-1

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

usn.ubuntu.com/3681-1/ (vendor-advisory)
github.com/ImageMagick/ImageMagick/issues/562 (Exploit, Patch, Third Party Advisory, Issue Tracking)
www.debian.org/security/2017/dsa-4019 (vendor-advisory)
www.debian.org/security/2018/dsa-4204 (vendor-advisory)

Frequently asked questions

What is CVE-2017-11533?: CVE-2017-11533 is a medium-severity vulnerability in Imagemagick, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2017-07-23.
How severe is CVE-2017-11533?: Medium severity. CVSS v3 base score is 6.5 out of 10.