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CVE-2025-69534

Quick assessment

Affected
n/a n/a
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.

Python-Markdown是Python-Markdown开源的一个Python实现的Markdown解析器。 Python-Markdown 3.8版本存在安全漏洞，该漏洞源于畸形HTML类序列可导致未处理的断言错误，可能引发远程拒绝服务和信息泄露。

AI Predicted 7.5 Difficulty: Trivial EPSS 0.59% · P46

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2025-69534

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Markdown does not catch this exception, any application that processes attacker-controlled Markdown may crash. This enables remote, unauthenticated Denial of Service in web applications, documentation systems, CI/CD pipelines, and any service that renders untrusted Markdown. The issue was acknowledged by the vendor and fixed in version 3.8.1. This issue causes a remote Denial of Service in any application parsing untrusted Markdown, and can lead to Information Disclosure through uncaught exceptions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Python-Markdown 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Python-Markdown是Python-Markdown开源的一个Python实现的Markdown解析器。 Python-Markdown 3.8版本存在安全漏洞，该漏洞源于畸形HTML类序列可导致未处理的断言错误，可能引发远程拒绝服务和信息泄露。
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
- n/a n/a -

II. Public POCs for CVE-2025-69534

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III. Intelligence Information for CVE-2025-69534

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Vendor Advisories for CVE-2025-69534 (2)

Vendor Pages for CVE-2025-69534 (1)

Same Patch Batch · n/a · 2026-03-05 · 18 CVEs total

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CVE-2025-70995 Aranda Service Desk Web Edition 安全漏洞
CVE-2025-70948 CouchAuth 安全漏洞
CVE-2025-70949 CouchAuth 安全漏洞
CVE-2025-29165 D-Link DIR-1253 MESH 安全漏洞
CVE-2025-70614 OpenCode Systems OC Messaging / USSD Gateway OC 安全漏洞
CVE-2025-70616 Wincor Nixdorf wnBios64.sys 安全漏洞
CVE-2025-70233 D-Link DIR-513 安全漏洞
CVE-2026-26377 Koha 安全漏洞
CVE-2025-70229 D-Link DIR-513 安全漏洞
CVE-2025-70230 D-Link DIR-513 安全漏洞
CVE-2025-70231 D-Link DIR-513 安全漏洞
CVE-2025-45691 ragas 安全漏洞
CVE-2026-26417 Tata Consultancy Services Cognix Recon Client 安全漏洞
CVE-2026-26416 Tata Consultancy Services Cognix Recon Client 安全漏洞
CVE-2026-26418 Tata Consultancy Services Cognix Recon Client 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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