CVE-2026-22770— ImageMagick vulnerable to Release of Invalid Pointer in BilateralBlur when memory allocation fails
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 7.1.2-13之前版本存在安全漏洞，该漏洞源于未正确初始化缓冲区，可能导致释放无效指针。
Possible ATT&CK Techniques 2 AI
T1211 · Exploitation for Stealth T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-22770
Vulnerability Information
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Vulnerability Title
ImageMagick vulnerable to Release of Invalid Pointer in BilateralBlur when memory allocation fails
Source: CVE Program / CVE List V5
Vulnerability Description
ImageMagick is free and open-source software used for editing and manipulating digital images. The BilateralBlurImage method will allocate a set of double buffers inside AcquireBilateralTLS. But, in versions prior to 7.1.2-13, the last element in the set is not properly initialized. This will result in a release of an invalid pointer inside DestroyBilateralTLS when the memory allocation fails. Version 7.1.2-13 contains a patch for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对无效指针或索引的释放
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 7.1.2-13之前版本存在安全漏洞，该漏洞源于未正确初始化缓冲区，可能导致释放无效指针。
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 | < 7.1.2-13 | - |
|
II. Public POCs for CVE-2026-22770
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · ImageMagick · 2026-01-20 · 3 CVEs total
| CVE-2026-23876 | 8.1 HIGH | Heap buffer overflow with attacker-controlled data in XBM parser |
| CVE-2026-23874 | 5.5 MEDIUM | ImageMagick's MSL: Stack overflow via infinite recursion in ProcessMSLScript |
IV. Related Vulnerabilities
Same product: ImageMagick
-
CVE-2026-105827
ImageMagick before 7.1.2-30 Stack Overflow in CALS Decoder -
CVE-2026-105826
ImageMagick before 7.1.2-30 Security Policy Bypass via MAT D -
CVE-2026-105824
ImageMagick before 7.1.2-30 Use-After-Free in RSVG Decoder W -
CVE-2026-105825
ImageMagick before 7.1.2-30 Denial of Service via Crafted XM -
CVE-2026-105405
ImageMagick before 7.1.2-31 Invalid Memory Free in MVG Decod
Same vendor: ImageMagick
-
CVE-2026-105827
ImageMagick before 7.1.2-30 Stack Overflow in CALS Decoder -
CVE-2026-105826
ImageMagick before 7.1.2-30 Security Policy Bypass via MAT D -
CVE-2026-105825
ImageMagick before 7.1.2-30 Denial of Service via Crafted XM -
CVE-2026-105824
ImageMagick before 7.1.2-30 Use-After-Free in RSVG Decoder W -
CVE-2026-105405
ImageMagick before 7.1.2-31 Invalid Memory Free in MVG Decod
Same weakness: CWE-763
V. Comments for CVE-2026-22770
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