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CVE-2024-45491

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.

libexpat是libexpat团队的一款使用C语言编写的流式XML解析器。 libexpat 2.6.3之前版本存在输入验证错误漏洞，该漏洞源于xmlparse.c中的dtdCopy在32位平台上可能导致nDefaultAtts整数溢出。

AI Predicted 5.9 Difficulty: Moderate EPSS 1.13% · P66

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2024-45491

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
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
libexpat 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libexpat是libexpat团队的一款使用C语言编写的流式XML解析器。 libexpat 2.6.3之前版本存在输入验证错误漏洞，该漏洞源于xmlparse.c中的dtdCopy在32位平台上可能导致nDefaultAtts整数溢出。
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-2024-45491

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2024-45491

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Same Patch Batch · n/a · 2024-08-30 · 9 CVEs total

CVE-2024-45492 libexpat 输入验证错误漏洞
CVE-2024-45488 One Identity Safeguard for Privileged Passwords 安全漏洞
CVE-2024-45490 libexpat 安全漏洞
CVE-2024-44682 ShopXO 安全漏洞
CVE-2024-44916 SeaCMS 命令注入漏洞
CVE-2024-44684 TpMeCMS 安全漏洞
CVE-2024-44918 SeaCMS 跨站脚本漏洞
CVE-2024-44683 SeaCMS 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2024-45491

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