What is CVE-2017-13140?

CVE-2017-13140 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 2017-08-23.

How severe is CVE-2017-13140?

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

Buffer overflow in Imagemagick

CVE-2017-13140

In ImageMagick before 6.9.9-1 and 7.x before 7.0.6-2, the ReadOnePNGImage function in coders/png.c allows remote attackers to cause a denial of service (application hang in LockSemaphoreInfo) via a PNG file with a width equal to MAGICK_WIDTH_LIMIT.

Vulnerability class: Buffer Overflow

Published 2017-08-23 · 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: 0.015 (73.6th percentile), scored 2026-10-06.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Imagemagick — versions 7.0.0-0, 7.0.1-0, 7.0.1-1

Weakness classification (CWE)

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

References

github.com/ImageMagick/ImageMagick/issues/596 (Exploit, Patch, Third Party Advisory)
security.gentoo.org/glsa/201711-07 (vendor-advisory)
www.debian.org/security/2017/dsa-4019 (vendor-advisory)
bugs.debian.org/cgi-bin/bugreport.cgi (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2017-13140?: CVE-2017-13140 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 2017-08-23.
How severe is CVE-2017-13140?: Medium severity. CVSS v3 base score is 6.5 out of 10.