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CVE-2026-56370— ImageMagick - Out-of-bounds Access in ConnectedComponentsImage via connected-components Artifact

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 7.1.2-19之前版本和6.9.13-44之前版本存在缓冲区错误漏洞，该漏洞源于在处理无效索引的连接组件伪影时，ConnectedComponentsImage()函数存在越界访问漏洞。攻击者可通过CLI指定格式错误的连接组件定义触发访问违规，导致拒绝服务或潜在代码执行。

CVSS 3.3 · Low EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
ImageMagick ImageMagick < 7.1.2-19 affected
7.1.2-19 unaffected
< 6.9.13-44 affected
6.9.13-44 unaffected
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I. Basic Information for CVE-2026-56370

Vulnerability Information
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Vulnerability Title
ImageMagick - Out-of-bounds Access in ConnectedComponentsImage via connected-components Artifact
Source: CVE Program / CVE List V5
Vulnerability Description
ImageMagick before 7.1.2-19 contains an out-of-bounds access vulnerability in ConnectedComponentsImage() when processing connected-components artifacts with invalid indices. Attackers can trigger access violations by specifying malformed connected-components definitions via CLI, causing denial of service or potential code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
ImageMagick 缓冲区错误漏洞
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 7.1.2-19之前版本和6.9.13-44之前版本存在缓冲区错误漏洞，该漏洞源于在处理无效索引的连接组件伪影时，ConnectedComponentsImage()函数存在越界访问漏洞。攻击者可通过CLI指定格式错误的连接组件定义触发访问违规，导致拒绝服务或潜在代码执行。
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 0 ~ 7.1.2-19 -
ImageMagick ImageMagick 0 ~ 6.9.13-44 -

II. Public POCs for CVE-2026-56370

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-56370

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Vendor Advisories for CVE-2026-56370 (2)

IV. Related Vulnerabilities

Same product: ImageMagick
Same vendor: ImageMagick
Same weakness: CWE-125