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Fencer Vulns
high 8.8

CVE-2018-16413 json

ImageMagick 7.0.8-11 Q16 has a heap-based buffer over-read in the MagickCore/quantum-private.h PushShortPixel function when called from the…

published 2018-09-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8253

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.2%
EPSS 4.2% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

ImageMagick 7.0.8-11 Q16 has a heap-based buffer over-read in the MagickCore/quantum-private.h PushShortPixel function when called from the coders/psd.c ParseImageResourceBlocks function.

Patch / fix

  • imagemagick Debian 14, Debian 13, Debian 12 8:6.9.10.14+dfsg-1

debian advisories DEBIAN-CVE-2018-16413

  • imagemagick Ubuntu 16.04 LTS 8:6.8.9.9-7ubuntu5.14
  • imagemagick Ubuntu 18.04 LTS 8:6.9.7.4+dfsg-16ubuntu6.7
  • imagemagick Ubuntu Pro 14.04 LTS 8:6.7.7.10-6ubuntu3.13+esm8

ubuntu advisories UBUNTU-CVE-2018-16413

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ImageMagick SLES 12 SP4, SLES 12 SP3, SLES 12 SP2-BCL +15 more 6.8.8.1-71.108.1
  • ImageMagick SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 +1 more 6.4.3.6-78.92.1
  • ImageMagick SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 6.4.3.6-78.74.1
  • ImageMagick SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +2 more 6.8.8.1-71.79.1
  • ImageMagick SLE Module for Development Tools 15, SLE Module for Desktop Applications 15 7.0.7.34-3.24.1

suse advisories SUSE-SU-2019:1033-2SUSE-SU-2019:1033-1SUSE-SU-2019:13993-1SUSE-SU-2018:3348-1SUSE-SU-2018:3095-1SUSE-SU-2018:2977-1

  • imagemagick6 Alpine 3.16, Alpine 3.15, Alpine 3.14 +4 more 6.9.10.37-r0
  • imagemagick6 Alpine 3.9, Alpine 3.8, Alpine 3.7 6.9.10.39-r0

alpine advisories ALPINE-CVE-2018-16413

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-16413 updated cvss 3.3

ImageMagick: heap-based buffer over-read in the PushShortPixel function in MagickCore/quantum-private.h

  • Red Hat Enterprise Linux 5 ImageMagick Red Hat Enterprise Linux 6 ImageMagick, ImageMagick-c++, ImageMagick-perl Red Hat Enterprise Linux 7 ImageMagick, ImageMagick-c++, ImageMagick-perl Red Hat Enterprise Linux 8 ImageMagick
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.17% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/ImageMagick/ImageMagick/issues/1251 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/ImageMagick/ImageMagick/issues/1249 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.