ImageMagick up to 6.9.13-43/7.1.2-18 MVG Decoder heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k2.75-

Summaryinfo

A vulnerability classified as critical was found in ImageMagick up to 6.9.13-43/7.1.2-18. This affects an unknown function of the component MVG Decoder. Such manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2026-33901. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ImageMagick up to 6.9.13-43/7.1.2-18. Affected by this issue is an unknown function of the component MVG Decoder. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-33901 since 03/24/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading to version 6.9.13-44 or 7.1.2-19 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 4c72003e9e54a4ebaa938d239e75f5d285527ebe is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ImageMagick 6.9.13-44/7.1.2-19
Patch: 4c72003e9e54a4ebaa938d239e75f5d285527ebe

Timelineinfo

03/24/2026 CVE reserved
04/14/2026 +20 days Advisory disclosed
04/14/2026 +0 days VulDB entry created
04/14/2026 +0 days VulDB entry last update

Sourcesinfo

Product: imagemagick.org

Advisory: GHSA-x9h5-r9v2-vcww
Status: Confirmed

CVE: CVE-2026-33901 (🔒)
GCVE (CVE): GCVE-0-2026-33901
GCVE (VulDB): GCVE-100-357266

Entryinfo

Created: 04/14/2026 08:02
Changes: 04/14/2026 08:02 (68)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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