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I. Basic Information for CVE-2026-4833
Vulnerability Information

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Vulnerability Title
Orc discount Markdown markdown.c compile recursion
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in Orc discount up to 3.0.1.2. This issue affects the function compile of the file markdown.c of the component Markdown Handler. This manipulation causes uncontrolled recursion. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. The project maintainer confirms: "[I]f you feed it an infinitely deep blockquote input it will crash. (...) [T]his is a duplicate of an old bug that I've been working on."
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
Source: NVD (National Vulnerability Database)
Vulnerability Title
discount 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
discount是Orc个人开发者的一个Markdown语言解析与转换工具。 discount 3.0.1.2及之前版本存在安全漏洞,该漏洞源于对文件markdown.c中compile函数的操作导致递归不受控制,可能导致应用程序崩溃。
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
VendorProductAffected VersionsCPESubscribe
Orcdiscount 3.0.1.0 -
II. Public POCs for CVE-2026-4833
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III. Intelligence Information for CVE-2026-4833
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