CVE-2026-64685— ImageMagick: Heap Buffer Over-Read in BGR decoder due to mising end-of-file check
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 7.1.2-27之前版本存在缓冲区错误漏洞，该漏洞源于BGR解码器未检查每处的文件结束标志，导致堆缓冲区过度读取。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client ExecutionAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ImageMagick | ImageMagick | < 7.1.2-27 |
affected |
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I. Basic Information for CVE-2026-64685
Vulnerability Information
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Vulnerability Title
ImageMagick: Heap Buffer Over-Read in BGR decoder due to mising end-of-file check
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 7.1.2-27, the BGR decoder does not check for an end-of-file in every location so a crafted image could result in an heap buffer over-read. This issue has been fixed in version 7.1.2-27.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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 7.1.2-27之前版本存在缓冲区错误漏洞，该漏洞源于BGR解码器未检查每处的文件结束标志，导致堆缓冲区过度读取。
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 | < 7.1.2-27 | - |
|
II. Public POCs for CVE-2026-64685
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-64685 (1)
IV. Related Vulnerabilities
Same product: ImageMagick
-
CVE-2026-86424
ImageMagick before 7.1.2-30 Path Traversal via TOCTOU Symlin -
CVE-2026-86425
ImageMagick before 7.1.2-30 Heap-use-after-free via Layer -
CVE-2026-86423
ImageMagick before 7.1.2-30 Heap-use-after-free via GetList -
CVE-2026-86422
ImageMagick before 7.1.2-30 Path Policy TOCTOU Symlink Race -
CVE-2026-86421
ImageMagick before 7.1.2-30 Memory Leak via MSL decoder
Same vendor: ImageMagick
-
CVE-2026-86424
ImageMagick before 7.1.2-30 Path Traversal via TOCTOU Symlin -
CVE-2026-86425
ImageMagick before 7.1.2-30 Heap-use-after-free via Layer -
CVE-2026-86423
ImageMagick before 7.1.2-30 Heap-use-after-free via GetList -
CVE-2026-86422
ImageMagick before 7.1.2-30 Path Policy TOCTOU Symlink Race -
CVE-2026-86421
ImageMagick before 7.1.2-30 Memory Leak via MSL decoder
Same weakness: CWE-125
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CVE-2026-78546
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CVE-2026-13326
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V. Comments for CVE-2026-64685
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