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CVE-2024-23807— Apache Xerces C++: Use-after-free on external DTD scan

Quick assessment

Affected
Apache Software Foundation Apache Xerces C++
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.

Apache Xerces-C是美国阿帕奇（Apache）基金会的一款使用C++语言编写的XML解析器。 Apache Xerces-C存在安全漏洞，该漏洞源于内存释放后重用。

AI Predicted 8.1 Difficulty: Moderate EPSS 1.48% · P73
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I. Basic Information for CVE-2024-23807

Vulnerability Information
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Vulnerability Title
Apache Xerces C++: Use-after-free on external DTD scan
Source: CVE Program / CVE List V5
Vulnerability Description
The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs. Users are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable. This issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Xerces-C 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Xerces-C是美国阿帕奇（Apache）基金会的一款使用C++语言编写的XML解析器。 Apache Xerces-C存在安全漏洞，该漏洞源于内存释放后重用。
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
Apache Software Foundation Apache Xerces C++ 3.0.0 ~ 3.2.5 -

II. Public POCs for CVE-2024-23807

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III. Intelligence Information for CVE-2024-23807

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Patches & Fixes for CVE-2024-23807 (1)

Mailing List Discussions for CVE-2024-23807 (1)

Same Patch Batch · Apache Software Foundation · 2024-02-28 · 8 CVEs total

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IV. Related Vulnerabilities

Same product: Apache Xerces C++
Same vendor: Apache Software Foundation
Same weakness: CWE-416

V. Comments for CVE-2024-23807

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