High severity · published Apr 13, 2026
CVE-2026-33901
ImageMagick has a Heap Buffer Overflow via MVG decoder
7.5
CVSS
0.8%
EPSS
No
On KEV
Description
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when processing a crafted image. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IM
ImageMagick · ImageMagick
< 7.1.2-19; < 6.9.13-44 · source: vendor, NVD
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-33901
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-33901
Patch
https://github.com/ImageMagick/ImageMagick/commit/4c72003e9e54a4ebaa938d239e75f5d285527ebe
Vendor Advisory
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x9h5-r9v2-vcww
Release Notes
https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-33901
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2458023
security.access.redhat.com
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33901.json
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