CVE-2025-55212— ImageMagick affected by divide-by-zero in ThumbnailImage via montage -geometry ":" leads to crash
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 6.9.13-28和7.1.2-2之前版本存在安全漏洞，该漏洞源于几何字符串处理不当，可能导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-55212
Vulnerability Information
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Vulnerability Title
ImageMagick affected by divide-by-zero in ThumbnailImage via montage -geometry ":" leads to crash
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 6.9.13-28 and 7.1.2-2, passing a geometry string containing only a colon (":") to montage -geometry leads GetGeometry() to set width/height to 0. Later, ThumbnailImage() divides by these zero dimensions, triggering a crash (SIGFPE/abort), resulting in a denial of service. This issue has been patched in versions 6.9.13-28 and 7.1.2-2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
除零错误
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 6.9.13-28和7.1.2-2之前版本存在安全漏洞，该漏洞源于几何字符串处理不当，可能导致拒绝服务。
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 | < 7.1.2-2 | - |
|
II. Public POCs for CVE-2025-55212
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · ImageMagick · 2025-08-26 · 3 CVEs total
| CVE-2025-57803 | 7.5 HIGH | ImageMagick (WriteBMPImage): 32-bit integer overflow when writing BMP scanline stride → he |
| CVE-2025-55298 | 7.5 HIGH | ImageMagick Format String Bug in InterpretImageFilename leads to arbitrary code execution |
IV. Related Vulnerabilities
Same product: ImageMagick
-
CVE-2026-105083
ImageMagick before 7.1.2-32 and 6.9.13-57 Security Policy By -
CVE-2026-102635
ImageMagick before 7.1.2-32 and 6.9.13-57 Uninitialized Heap -
CVE-2026-93590
ImageMagick before 7.1.2-31 Policy Bypass in UHDR encoder -
CVE-2026-93588
ImageMagick before 7.1.2-31 Null Pointer Dereference via PNM -
CVE-2026-93589
ImageMagick before 7.1.2-31 Division by Zero in FLIF encoder
Same vendor: ImageMagick
-
CVE-2026-105083
ImageMagick before 7.1.2-32 and 6.9.13-57 Security Policy By -
CVE-2026-102635
ImageMagick before 7.1.2-32 and 6.9.13-57 Uninitialized Heap -
CVE-2026-93590
ImageMagick before 7.1.2-31 Policy Bypass in UHDR encoder -
CVE-2026-93588
ImageMagick before 7.1.2-31 Null Pointer Dereference via PNM -
CVE-2026-93589
ImageMagick before 7.1.2-31 Division by Zero in FLIF encoder
Same weakness: CWE-369
-
CVE-2026-101887
BlueALSA bluealsad LC3plus Decoder Division-by-Zero DoS -
CVE-2026-47534
NVIDIA驱动内核层除零漏洞致拒绝服务 -
CVE-2026-93589
ImageMagick before 7.1.2-31 Division by Zero in FLIF encoder -
CVE-2026-92881
vgmstream AWB parser awb.c init_vgmstream_awb_memory divide -
CVE-2026-91955
FreeRDP before 3.31.0 Denial of Service via Desktop Dimensio
V. Comments for CVE-2025-55212
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