What is CVE-2018-18544?

CVE-2018-18544 is a medium-severity vulnerability in Graphicsmagick, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2018-10-21.

How severe is CVE-2018-18544?

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

Vulnerability in Graphicsmagick

CVE-2018-18544

There is a memory leak in the function WriteMSLImage of coders/msl.c in ImageMagick 7.0.8-13 Q16, and the function ProcessMSLScript of coders/msl.c in GraphicsMagick before 1.3.31.

Published 2018-10-21 · 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 (80.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Graphicsmagick
Imagemagick — versions 7.0.8-13
openSUSE Leap — versions 15.0

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

References

github.com/ImageMagick/ImageMagick/issues/1360 (Exploit, Patch, Third Party Advisory, Issue Tracking)
hg.code.sf.net/p/graphicsmagick/code/file/233618f8fe82/ChangeLog (Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2019-04/msg00034.html (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/4034-1/ (vendor-advisory)

Frequently asked questions

What is CVE-2018-18544?: CVE-2018-18544 is a medium-severity vulnerability in Graphicsmagick, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2018-10-21.
How severe is CVE-2018-18544?: Medium severity. CVSS v3 base score is 6.5 out of 10.