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CVE-2026-33908— ImageMagick is vulnerable to Stack Overflow in DestroyXMLTree()

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 7.1.2-19之前版本和6.9.13-44之前版本存在安全漏洞，该漏洞源于DestroyXMLTree函数递归执行且无深度限制，可能导致处理深度嵌套XML结构时拒绝服务攻击。

CVSS 7.5 · High EPSS 0.70% · P53

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 2

VendorProduct Version RangeStatus
ImageMagick ImageMagick < 6.9.13-44 affected
< 7.1.2-19 affected
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I. Basic Information for CVE-2026-33908

Vulnerability Information
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Vulnerability Title
ImageMagick is vulnerable to Stack Overflow in DestroyXMLTree()
Source: CVE Program / CVE List V5
Vulnerability Description
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, Magick frees the memory of the XML tree via the `DestroyXMLTree()` function; however, this process is executed recursively with no depth limit imposed. When Magick processes an XML file with deeply nested structures, it will exhaust the stack memory, resulting in a Denial of Service (DoS) attack. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.
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
未经控制的递归
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 7.1.2-19之前版本和6.9.13-44之前版本存在安全漏洞，该漏洞源于DestroyXMLTree函数递归执行且无深度限制，可能导致处理深度嵌套XML结构时拒绝服务攻击。
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 < 6.9.13-44 -

II. Public POCs for CVE-2026-33908

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III. Intelligence Information for CVE-2026-33908

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Patches & Fixes for CVE-2026-33908 (1)

Vendor Pages for CVE-2026-33908 (2)

Same Patch Batch · ImageMagick · 2026-04-13 · 12 CVEs total

CVE-2026-33901 7.5 HIGH ImageMagick has a Heap Buffer Overflow via MVG decoder
CVE-2026-40312 6.2 MEDIUM ImageMagick: Off-by-One in MSL decoder could result in crash
CVE-2026-40169 6.2 MEDIUM ImageMagick: Heap buffer overflow (WRITE) in the YAML and JSON encoders
CVE-2026-33900 5.9 MEDIUM ImageMagick has a Heap overflow caused by integer overflow/wraparound in viff encoder on 3
CVE-2026-40183 5.5 MEDIUM ImageMagick: Heap buffer overflow when encoding JXL image with a 16-bit float
CVE-2026-40311 5.5 MEDIUM ImageMagick: Heap-use-after-free via XMP profile could result in a crash when printing val
CVE-2026-40310 5.5 MEDIUM ImageMagick: Heap out-of-bounds write in JP2 encoder
CVE-2026-33902 5.5 MEDIUM ImageMagick: Stack Overflow via Recursive FX Expression Parsing
CVE-2026-33905 5.5 MEDIUM ImageMagick has an Out-of-Bounds read via -sample operation
CVE-2026-33899 5.3 MEDIUM ImageMagick: Heap BufferOverflow write of single zero byte when parsing XML
CVE-2026-34238 5.1 MEDIUM ImageMagick: Integer overflow in despeckle operation causes heap buffer overflow on 32-bit

IV. Related Vulnerabilities

Same product: ImageMagick
Same vendor: ImageMagick
Same weakness: CWE-674