What is CVE-2017-11640?

CVE-2017-11640 is a medium-severity vulnerability in Imagemagick, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2017-07-26.

How severe is CVE-2017-11640?

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

Buffer overflow in Imagemagick

CVE-2017-11640

When ImageMagick 7.0.6-1 processes a crafted file in convert, it can lead to an address access exception in the WritePTIFImage() function in coders/tiff.c.

Vulnerability class: Buffer Overflow

Published 2017-07-26 · 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: 0.027 (85.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Imagemagick — versions 7.0.6-1

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

github.com/ImageMagick/ImageMagick/issues/584 (Exploit, Patch, Third Party Advisory, Issue Tracking)
www.securityfocus.com/bid/99989 (VDB Entry, Third Party Advisory, vdb-entry)
www.debian.org/security/2017/dsa-4040 (vendor-advisory)
usn.ubuntu.com/3681-1/ (vendor-advisory)
security.gentoo.org/glsa/201711-07 (vendor-advisory)
www.debian.org/security/2017/dsa-4019 (vendor-advisory)

Frequently asked questions

What is CVE-2017-11640?: CVE-2017-11640 is a medium-severity vulnerability in Imagemagick, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2017-07-26.
How severe is CVE-2017-11640?: Medium severity. CVSS v3 base score is 6.5 out of 10.