CVE-2026-28691
published 2026-03-10CVE-2026-28691: 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, an uninitialized…
PriorityP341high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.35%
27.6th percentile
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, an uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | imagemagick | < imagemagick 8:7.1.2.16+dfsg1-1 (forky) | imagemagick 8:7.1.2.16+dfsg1-1 (forky) |
| imagemagick | imagemagick | < 6.9.13-41 | 6.9.13-41 |
| imagemagick | imagemagick | — | — |
| imagemagick | imagemagick | >= 0 < 8:7.1.1.43+dfsg1-1+deb13u7 | 8:7.1.1.43+dfsg1-1+deb13u7 |
| imagemagick | imagemagick | >= 0 < 8:7.1.2.16+dfsg1-1 | 8:7.1.2.16+dfsg1-1 |
| imagemagick | imagemagick | >= 7.0.0-0 < 7.1.2-16 | 7.1.2-16 |
| ubuntu | imagemagick | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
vendor_ubuntu7.1HIGH
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VulDB
ImageMagick Prior to up to 6.9.13-40/7.1.2-15 JBIG Decoder return value (EUVD-2026-10386 / Nessus ID 303293)
vuldb·2026-04-22·CVSS 7.5
CVE-2026-28691 [HIGH] ImageMagick Prior to up to 6.9.13-40/7.1.2-15 JBIG Decoder return value (EUVD-2026-10386 / Nessus ID 303293)
A vulnerability, which was classified as problematic, has been found in ImageMagick Prior to up to 6.9.13-40/7.1.2-15. Affected by this issue is some unknown functionality of the component JBIG Decoder. The manipulation leads to unchecked return value.
This vulnerability is traded as CVE-2026-28691. It is possible to initiate the attack remotely. There is no exploit available.
It is advisable to upgrade the affected component.
GHSA
ImageMagick has uninitialized pointer dereference in JBIG decoder
ghsa·2026-03-12
CVE-2026-28691 [HIGH] CWE-252 ImageMagick has uninitialized pointer dereference in JBIG decoder
ImageMagick has uninitialized pointer dereference in JBIG decoder
An uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check.
OSV
ImageMagick has uninitialized pointer dereference in JBIG decoder
osv·2026-03-12
CVE-2026-28691 [HIGH] ImageMagick has uninitialized pointer dereference in JBIG decoder
ImageMagick has uninitialized pointer dereference in JBIG decoder
An uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check.
OSV
CVE-2026-28691: ImageMagick is free and open-source software used for editing and manipulating digital images
osv·2026-03-10·CVSS 7.5
CVE-2026-28691 [HIGH] CVE-2026-28691: ImageMagick is free and open-source software used for editing and manipulating digital images
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, an uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Ubuntu
ImageMagick vulnerabilities
vendor_ubuntu·2026-06-24·CVSS 7.1
CVE-2026-28691 [HIGH] ImageMagick vulnerabilities
Title: ImageMagick vulnerabilities
Summary: Several security issues were fixed in ImageMagick.
It was discovered that ImageMagick incorrectly handled certain images
when using the wavelet-denoise operator. An attacker could possibly use
this issue to trigger a heap buffer over-read, resulting in information
disclosure. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,
Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-27798)
It was discovered that ImageMagick incorrectly handled certain DJVU
images. An attacker could possibly use this issue to trigger a heap
buffer over-read, resulting in information disclosure. (CVE-2026-27799)
It was discovered that ImageMagick incorrectly handled certain MNG
images. An attacker could possibly use this issue to trigger a stack
buffer overfl
Red Hat
ImageMagick: ImageMagick: Denial of Service via uninitialized pointer dereference in JBIG decoder
vendor_redhat·2026-03-09·CVSS 7.5
CVE-2026-28691 [HIGH] CWE-824 ImageMagick: ImageMagick: Denial of Service via uninitialized pointer dereference in JBIG decoder
ImageMagick: ImageMagick: Denial of Service via uninitialized pointer dereference in JBIG decoder
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, an uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
A flaw was found in ImageMagick. This vulnerability, an uninitialized pointer dereference, exists in the JBIG decoder due to a missing check. A remote attacker could exploit this by providing a specially crafted image file, leading to a denial of service. This could make the ImageMagick application unavailable to users.
Statement: This is an IMPORTANT vulnerability affecting ImageMagick, present in Red
Debian
CVE-2026-28691: imagemagick - ImageMagick is free and open-source software used for editing and manipulating d...
vendor_debian·2026·CVSS 7.5
CVE-2026-28691 [HIGH] CVE-2026-28691: imagemagick - ImageMagick is free and open-source software used for editing and manipulating d...
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, an uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Scope: local
bookworm: open
bullseye: open
forky: resolved (fixed in 8:7.1.2.16+dfsg1-1)
sid: resolved (fixed in 8:7.1.2.16+dfsg1-1)
trixie: resolved (fixed in 8:7.1.1.43+dfsg1-1+deb13u7)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-28691 ImageMagick: ImageMagick: Denial of Service via uninitialized pointer dereference in JBIG decoder
bugzilla·2026-03-09·CVSS 7.5
CVE-2026-28691 [HIGH] CVE-2026-28691 ImageMagick: ImageMagick: Denial of Service via uninitialized pointer dereference in JBIG decoder
CVE-2026-28691 ImageMagick: ImageMagick: Denial of Service via uninitialized pointer dereference in JBIG decoder
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, an uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Discussion:
This issue has been addressed in the following products:
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Via RHSA-2026:6713 https://access.redhat.com/errata/RHSA-2026:6713
Wiz
CVE-2026-28691 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 7.5
CVE-2026-28691 [HIGH] CVE-2026-28691 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-28691 :
C# vulnerability analysis and mitigation
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, an uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Source : NVD
## 7.5
Score
Published March 10, 2026
Severity HIGH
CNA Score 7.5
Affected Technologies
C#
ImageMagick
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 17.3
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
Magick.NET-Q16-HDRI-AnyCPU
Magick.NET-Q16-HDRI-OpenMP-x64
Sources
Alpine 3.10, 3.11, 3.12, 3.13
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wj8w-pjxf-9g4fhttps://access.redhat.com/errata/RHSA-2026:6713https://access.redhat.com/security/cve/CVE-2026-28691https://bugzilla.redhat.com/show_bug.cgi?id=2445902https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28691.json
2026-03-10
Published