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CVE-2026-46520— ImageMagick: Heap Buffer Over-Write in IPL decoder when reading multiple images of different dimensions

CVSS 7.5 · High EPSS 0.44% · P36

Possible ATT&CK Techniques 1AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 2

VendorProductVersion RangeStatus
ImageMagickImageMagick< 6.9.13-48affected
< 7.1.2-23affected
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I. Basic Information for CVE-2026-46520

Vulnerability Information
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Vulnerability Title
ImageMagick: Heap Buffer Over-Write in IPL decoder when reading multiple images of different dimensions
Source: CVE Program / CVE List V5
Vulnerability Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when reading multiple images with different dimensions an out of bounds heap write can occur. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
ImageMagick 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ImageMagick是ImageMagick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 6.9.13-48之前版本和7.1.2-23之前版本存在安全漏洞，该漏洞源于读取多个不同尺寸图像时未进行边界检查，可能导致堆越界写入。
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

VendorProductAffected VersionsCPESubscribe
ImageMagickImageMagick < 6.9.13-48 -

II. Public POCs for CVE-2026-46520

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 10070 chars
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III. Intelligence Information for CVE-2026-46520

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Vendor Advisories for CVE-2026-46520 (1)

Same Patch Batch · ImageMagick · 2026-06-10 · 28 CVEs total

CVE-2026-534617.5 HIGHImageMagick: Out-of-bounds write in ICON decoder due to incorrect loop
CVE-2026-534607.5 HIGHImageMagick: Policy Bypass can trigger out-of-Memory condition
CVE-2026-465227.5 HIGHImageMagick: Infinite Loop in the MIFF decoder can lead to CPU exhaustion
CVE-2026-492187.5 HIGHImageMagick: Policy Bypass in DCM decoder could result in image with invalid dimensions
CVE-2026-534656.2 MEDIUMImageMagick: Heap Buffer Over-Write in SF3 encoder when writing multi-frame image
CVE-2026-465576.2 MEDIUMImageMagick: Stack overflow in fx operation
CVE-2026-465236.2 MEDIUMImageMagick: Use-After-Free in MSL decoder.
CVE-2026-534625.9 MEDIUMImageMagick: Use-After-Free when allocation in CheckPrimitiveExtent fails
CVE-2026-489945.9 MEDIUMImageMagick: Heap Buffer Over-Write in MAT decoder on 32-bit systems
CVE-2026-471665.7 MEDIUMImageMagick: Heap Buffer Over-Read in distributed pixel cache server
CVE-2026-453595.7 MEDIUMImageMagick: Out-of-Bounds Read in connected components when the user supplies an invalid
CVE-2026-465215.5 MEDIUMImageMagick: Heap Buffer Over-Write in MIFF encoder when using LZMA compression
CVE-2026-492195.5 MEDIUMImageMagick: Policy Bypass can read disallowed files
CVE-2026-487245.5 MEDIUMImageMagick: Heap Buffer Underwrite in Floyd-Steinberg depth dithering
CVE-2026-487345.5 MEDIUMImageMagick: Stack Overflow in MVG decoder
CVE-2026-456645.3 MEDIUMImageMagick: Policy Bypass in MNG coder could
CVE-2026-453585.3 MEDIUMImageMagick: Out-of-Bounds Read of a single byte in meta encoder
CVE-2026-450315.3 MEDIUMImageMagick: Policy Bypass in PSD decoder
CVE-2026-456245.1 MEDIUMImageMagick: Heap Buffer Over-Read of a 4 bytes in distort operation.
CVE-2026-423265.1 MEDIUMImageMagick: Heap Buffer Over-Read in IPTC encoder

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-46520

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