CVE-2026-62363— ImageMagick: Heap Buffer Over-Write in fx operation
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，该漏洞源于在fx操作中传入特制参数导致堆缓冲区溢出。
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-2026-62363
Vulnerability Information
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Vulnerability Title
ImageMagick: Heap Buffer Over-Write in fx operation
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, a heap buffer over-write can occur in the fx operation by passing a crafted argument. This issue has been fixed in version 7.1.2-27.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
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，该漏洞源于在fx操作中传入特制参数导致堆缓冲区溢出。
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 | < 7.1.2-27 | - |
|
II. Public POCs for CVE-2026-62363
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-62363 (1)
IV. Related Vulnerabilities
Same product: ImageMagick
-
CVE-2026-86425
ImageMagick before 7.1.2-30 Heap-use-after-free via Layer -
CVE-2026-86424
ImageMagick before 7.1.2-30 Path Traversal via TOCTOU Symlin -
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-2026-86425
ImageMagick before 7.1.2-30 Heap-use-after-free via Layer -
CVE-2026-86424
ImageMagick before 7.1.2-30 Path Traversal via TOCTOU Symlin -
CVE-2026-86423
ImageMagick before 7.1.2-30 Heap-use-after-free via GetList -
CVE-2026-86421
ImageMagick before 7.1.2-30 Memory Leak via MSL decoder -
CVE-2026-86422
ImageMagick before 7.1.2-30 Path Policy TOCTOU Symlink Race
Same weakness: CWE-787
-
CVE-2026-90559
snappy-java through 1.1.10.8 Out-of-Bounds Write via uncompr -
CVE-2026-89266
stb_vorbis through 1.22 heap buffer overflow via codebook mu -
CVE-2026-78547
Out-of-Bounds Write -
CVE-2026-88053
Tesseract: Heap out-of-bounds write in Classify::ReadIntTemp -
CVE-2026-88051
Tesseract: Heap out-of-bounds write in GenericVector<T>::rea
V. Comments for CVE-2026-62363
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