ImageMagick up to 6.9.13-47/7.1.2-23 MAT Decoder heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k2.52-

Summaryinfo

A vulnerability classified as critical was found in ImageMagick up to 6.9.13-47/7.1.2-23. The impacted element is an unknown function of the component MAT Decoder. Executing a manipulation can lead to heap-based overflow. This vulnerability is registered as CVE-2026-48994. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in ImageMagick up to 6.9.13-47/7.1.2-23 and classified as critical. This vulnerability affects an unknown function of the component MAT Decoder. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is 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(). As an impact it is known to affect availability. CVE summarizes:

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-24, a missing check of a return value could lead to a heap buffer over-write in the MAT decoder on 32-bit systems. This issue has been patched in versions 6.9.13-48 and 7.1.2-24.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-48994 since 05/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 6.9.13-48 or 7.1.2-24 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

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

CNA Base Score: 5.9
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 6.9.13-48/7.1.2-24

Timelineinfo

05/27/2026 CVE reserved
06/11/2026 +15 days Advisory disclosed
06/11/2026 +0 days VulDB entry created
06/11/2026 +0 days VulDB entry last update

Sourcesinfo

Product: imagemagick.org

Advisory: GHSA-4v89-6mgq-6rgc
Status: Confirmed

CVE: CVE-2026-48994 (🔒)
GCVE (CVE): GCVE-0-2026-48994
GCVE (VulDB): GCVE-100-370300

Entryinfo

Created: 06/11/2026 07:56
Changes: 06/11/2026 07:56 (65)
Complete: 🔍
Cache ID: 216::103

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