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CVE-2025-11849

Quick assessment

Affected
n/a mammoth
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mammoth是Michael Williamson个人开发者的一个将Word文档转换为HTML的工具。 mammoth 0.3.25版本和1.11.0之前版本存在安全漏洞，该漏洞源于处理docx文件时缺少路径或文件类型验证，可能导致目录遍历攻击或资源过度消耗。

CVSS 9.3 · Critical EPSS 1.01% · P62
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I. Basic Information for CVE-2025-11849

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Versions of the package mammoth from 0.3.25 and before 1.11.0; versions of the package mammoth from 0.3.25 and before 1.11.0; versions of the package mammoth before 1.11.0; versions of the package org.zwobble.mammoth:mammoth before 1.11.0 are vulnerable to Directory Traversal due to the lack of path or file type validation when processing a docx file containing an image with an external link (r:link attribute instead of embedded r:embed). The library resolves the URI to a file path and after reading, the content is encoded as base64 and included in the HTML output as a data URI. An attacker can read arbitrary files on the system where the conversion is performed or cause an excessive resources consumption by crafting a docx file that links to special device files such as /dev/random or /dev/zero.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Mammoth 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mammoth是Michael Williamson个人开发者的一个将Word文档转换为HTML的工具。 mammoth 0.3.25版本和1.11.0之前版本存在安全漏洞，该漏洞源于处理docx文件时缺少路径或文件类型验证，可能导致目录遍历攻击或资源过度消耗。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
- mammoth 0.3.25 ~ 1.11.0 -
- mammoth 0.3.25 ~ 1.11.0 -
- Mammoth 0 ~ 1.11.0 -
- org.zwobble.mammoth:mammoth 0 ~ 1.11.0 -

II. Public POCs for CVE-2025-11849

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 11864 chars
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III. Intelligence Information for CVE-2025-11849

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Proof of Concept for CVE-2025-11849 (1)

Same Patch Batch · n/a · 2025-10-17 · 12 CVEs total

CVE-2025-60359 Radare2 安全漏洞
CVE-2025-60360 Radare2 安全漏洞
CVE-2025-60279 ILLA Builder 安全漏洞
CVE-2025-60361 radare2 安全漏洞
CVE-2025-57567 PluXml 安全漏洞
CVE-2025-60514 tillywork 安全漏洞
CVE-2025-56320 Cobblestone Enterprise Contract Management Software 安全漏洞
CVE-2025-56218 SigningHub 安全漏洞
CVE-2025-56221 SigningHub 安全漏洞
CVE-2025-56316 MingSoft MCMS 安全漏洞
CVE-2025-57164 Flowise 安全漏洞

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-22

V. Comments for CVE-2025-11849

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