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CVE-2026-62343— ImageMagick: Heap Buffer Over-Write in morphology operation when an invalid kernel is provided

Quick assessment

Affected
ImageMagick ImageMagick
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ImageMagick是ImageMagick团队开源的一套开源的图像处理软件。可读取、转换或写入多种格式的图片。 ImageMagick 6.9.13-51之前版本和7.0.1-0版本至7.1.2-26之前版本存在数字错误漏洞，该漏洞源于用户提供的内核在进行形态学操作时导致堆缓冲区溢出。

CVSS 4.7 · Medium EPSS 0.09% · P1

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
ImageMagick ImageMagick < 6.9.13-51 affected
>= 7.0.1-0, < 7.1.2-26 affected
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I. Basic Information for CVE-2026-62343

Vulnerability Information
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Vulnerability Title
ImageMagick: Heap Buffer Over-Write in morphology operation when an invalid kernel is provided
Source: CVE Program / CVE List V5
Vulnerability Description
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to 6.9.13-51 and 7.0.1-0 and above prior to 7.1.2-26, an invalid kernel can cause a heap buffer over-write when performing a morphology operation with a user supplied kernel. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
ImageMagick 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ImageMagick是ImageMagick团队开源的一套开源的图像处理软件。可读取、转换或写入多种格式的图片。 ImageMagick 6.9.13-51之前版本和7.0.1-0版本至7.1.2-26之前版本存在数字错误漏洞，该漏洞源于用户提供的内核在进行形态学操作时导致堆缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ImageMagick ImageMagick < 6.9.13-51 -

II. Public POCs for CVE-2026-62343

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III. Intelligence Information for CVE-2026-62343

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Vendor Advisories for CVE-2026-62343 (1)

IV. Related Vulnerabilities

Same product: ImageMagick
Same vendor: ImageMagick
Same weakness: CWE-190

V. Comments for CVE-2026-62343

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