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CVE-2026-56372— ImageMagick - Heap Buffer Overflow Read via Unrecognized Magnify Method

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之前版本存在缓冲区错误漏洞，该漏洞源于magnify操作中存在堆缓冲区溢出问题，可能导致攻击者通过未识别的magnify:method值触发越界读取，从而泄露敏感信息或造成拒绝服务。

CVSS 3.3 · Low EPSS 0.20% · P10

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 2

VendorProduct Version RangeStatus
ImageMagick ImageMagick < 7.1.2-19 affected
7.1.2-19 unaffected
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I. Basic Information for CVE-2026-56372

Vulnerability Information
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Vulnerability Title
ImageMagick - Heap Buffer Overflow Read via Unrecognized Magnify Method
Source: CVE Program / CVE List V5
Vulnerability Description
ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the magnify operation that allows attackers to read out of bounds memory. An unrecognized magnify:method value triggers an out of bounds read, potentially exposing sensitive information or causing denial of service.
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
堆缓冲区溢出
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之前版本存在缓冲区错误漏洞，该漏洞源于magnify操作中存在堆缓冲区溢出问题，可能导致攻击者通过未识别的magnify:method值触发越界读取，从而泄露敏感信息或造成拒绝服务。
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 -

II. Public POCs for CVE-2026-56372

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III. Intelligence Information for CVE-2026-56372

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Vendor Advisories for CVE-2026-56372 (2)

Same Patch Batch · ImageMagick · 2026-07-11 · 6 CVEs total

CVE-2026-61861 3.7 LOW ImageMagick before 7.1.2-26 Use-After-Free in FormatMagickCaption
CVE-2026-61857 3.7 LOW ImageMagick before 7.1.2-26 Heap Use-After-Free via XMP
CVE-2026-61858 3.3 LOW ImageMagick before 7.1.2-26 Policy Bypass via APNG encoder
CVE-2026-61465 3.3 LOW ImageMagick before 7.1.2-26 Memory Allocation Policy Bypass
CVE-2026-61870 2.9 LOW ImageMagick before 7.1.2-26 Memory Leak via VIFF Encoder

IV. Related Vulnerabilities

Same product: ImageMagick
Same vendor: ImageMagick
Same weakness: CWE-122

V. Comments for CVE-2026-56372

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