medium 6.8

CVE-2026-28686 json

ImageMagick has a write heap-buffer-overflow in PCL encoder via undersized output buffer

published 2026-03-09 8mo ago modified 2026-07-30 3mo ago also EUVD-2026-10375 , GHSA-467j-76j7-5885 , JLSEC-2026-974

cvss: 6.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits: 0; none known

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, A heap-buffer-overflow vulnerability exists in the PCL encode due to an undersized output buffer allocation. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.

Patch / fix

fixed in 21 distros 4 links 1

nuget Magick.NET-Q16-AnyCPU 14.10.4
nuget Magick.NET-Q16-HDRI-AnyCPU 14.10.4
nuget Magick.NET-Q16-HDRI-OpenMP-arm64 14.10.4
nuget Magick.NET-Q16-HDRI-arm64 14.10.4
nuget Magick.NET-Q16-HDRI-x64 14.10.4
nuget Magick.NET-Q16-HDRI-x86 14.10.4
nuget Magick.NET-Q16-OpenMP-arm64 14.10.4
nuget Magick.NET-Q16-OpenMP-x64 14.10.4
nuget Magick.NET-Q16-OpenMP-x86 14.10.4
nuget Magick.NET-Q16-arm64 14.10.4
nuget Magick.NET-Q16-x64 14.10.4
nuget Magick.NET-Q16-x86 14.10.4
nuget Magick.NET-Q16-HDRI-OpenMP-x64 14.10.4
nuget Magick.NET-Q8-AnyCPU 14.10.4
nuget Magick.NET-Q8-OpenMP-arm64 14.10.4
nuget Magick.NET-Q8-OpenMP-x64 14.10.4
nuget Magick.NET-Q8-arm64 14.10.4
nuget Magick.NET-Q8-x64 14.10.4
nuget Magick.NET-Q8-x86 14.10.4
julia ImageMagick_jll 7.1.2023+0
imagemagick imagemagick 6.9.13-41, 7.1.2-16

debian suse opensuse alpine

imagemagick Debian 12 8:6.9.11.60+dfsg-1.6+deb12u8
imagemagick Debian 13 8:7.1.1.43+dfsg1-1+deb13u7
imagemagick Debian 14 8:7.1.2.16+dfsg1-1

debian advisories DEBIAN-CVE-2026-28686

ImageMagick SLES for SAP 15 SP6, SLES for SAP 15 SP5, SLES for SAP 15 SP4 +8 more 7.1.0.9-150400.6.75.1
ImageMagick SLES for SAP 15 SP6, SLES 15 SP6-LTSS, openSUSE Leap 15.6 7.1.1.21-150600.3.50.1
ImageMagick SLE Module for Development Tools 15 SP7, SLE Module for Desktop Applications 15 SP7 7.1.1.43-150700.3.42.1
ImageMagick SLES for SAP applications 16.0, SLES 16.0 7.1.2.0-160000.7.1
ImageMagick SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 6.8.8.1-71.236.1

suse advisories SUSE-SU-2026:1497-1 SUSE-SU-2026:1203-1 SUSE-SU-2026:1202-1 SUSE-SU-2026:1201-1 SUSE-SU-2026:20917-1

ImageMagick openSUSE Leap 16.0 7.1.2.0-160000.7.1
ImageMagick openSUSE Tumbleweed 7.1.2.17-1.1

opensuse advisories openSUSE-SU-2026:20405-1 openSUSE-SU-2026:10386-1

imagemagick Alpine 3.24, Alpine 3.23 7.1.2.17-r0

alpine advisories ALPINE-CVE-2026-28686

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

github.com/dlemstra/Magick.NET/releases/tag/14.10.4 release

Is CVE-2026-28686 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2026-28686 updated 2026-11-07 cvss 6.8

ImageMagick: ImageMagick: Denial of Service via heap-buffer-overflow in PCL encode

Red Hat Enterprise Linux 6 ImageMagick, ImageMagick-c++, ImageMagick-perl Red Hat Enterprise Linux 7 ImageMagick, ImageMagick-c++, ImageMagick-perl
affected: workaround, no fix planned “Out of support scope”

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

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 7mo ago (2026-03-10)

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
GitHub	3.1	6.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
OSV	3.1	6.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected packages

ecosystem	package	affected	fixed in
nuget	Magick.NET-Q16-AnyCPU	<14.10.4	14.10.4
nuget	Magick.NET-Q16-HDRI-AnyCPU	<14.10.4	14.10.4
nuget	Magick.NET-Q16-HDRI-OpenMP-arm64	<14.10.4	14.10.4
nuget	Magick.NET-Q16-HDRI-arm64	<14.10.4	14.10.4
nuget	Magick.NET-Q16-HDRI-x64	<14.10.4	14.10.4
nuget	Magick.NET-Q16-HDRI-x86	<14.10.4	14.10.4
nuget	Magick.NET-Q16-OpenMP-arm64	<14.10.4	14.10.4
nuget	Magick.NET-Q16-OpenMP-x64	<14.10.4	14.10.4
nuget	Magick.NET-Q16-OpenMP-x86	<14.10.4	14.10.4
nuget	Magick.NET-Q16-arm64	<14.10.4	14.10.4
nuget	Magick.NET-Q16-x64	<14.10.4	14.10.4
nuget	Magick.NET-Q16-x86	<14.10.4	14.10.4
nuget	Magick.NET-Q16-HDRI-OpenMP-x64	<14.10.4	14.10.4
nuget	Magick.NET-Q8-AnyCPU	<14.10.4	14.10.4
nuget	Magick.NET-Q8-OpenMP-arm64	<14.10.4	14.10.4
nuget	Magick.NET-Q8-OpenMP-x64	<14.10.4	14.10.4
nuget	Magick.NET-Q8-arm64	<14.10.4	14.10.4
nuget	Magick.NET-Q8-x64	<14.10.4	14.10.4
nuget	Magick.NET-Q8-x86	<14.10.4	14.10.4
julia	ImageMagick_jll	<7.1.2023+0	7.1.2023+0

Affected products

ImageMagick ImageMagick

Classification

Weakness

CWE-122 Heap-based Buffer Overflow
CWE-131 Incorrect Calculation of Buffer Size

References

github.com /ImageMagick/ImageMagick/security/advisories/GHSA-467j-76j7-5885
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2026-28686
advisory, web
github.com /ImageMagick/ImageMagick
package
github.com /dlemstra/Magick.NET/releases/tag/14.10.4
web
github.com /advisories/GHSA-467j-76j7-5885
web

Sources

Fencer Intel 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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

json all entries feed