What is CVE-2018-16641?

CVE-2018-16641 is a medium-severity vulnerability in Imagemagick, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2018-09-06.

How severe is CVE-2018-16641?

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

Vulnerability in Imagemagick

CVE-2018-16641

ImageMagick 7.0.8-6 has a memory leak vulnerability in the TIFFWritePhotoshopLayers function in coders/tiff.c.

Published 2018-09-06 · 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 (80.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.4% 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

Imagemagick — versions 7.0.8-6

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

References

github.com/ImageMagick/ImageMagick/commit/256825d4eb33dc301496710d15cf5a7ae9240… (Patch, Third Party Advisory)
github.com/ImageMagick/ImageMagick/issues/1206 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-16641?: CVE-2018-16641 is a medium-severity vulnerability in Imagemagick, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2018-09-06.
How severe is CVE-2018-16641?: Medium severity. CVSS v3 base score is 6.5 out of 10.