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CVE-2025-8732— libxml2 xmlcatalog xmlParseSGMLCatalog recursion

Quick assessment

Affected
n/a libxml2
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.

libxml2是GNOME开源的一个用来解析XML文档的函数库。它用C语言写成，并且能为多种语言所调用，例如C语言，C++，XSH。 libxml2 2.14.5及之前版本存在安全漏洞，该漏洞源于不受控制的递归问题。

CVSS 3.3 · Low EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 6

VendorProduct Version RangeStatus
n/a libxml2 2.14.0 affected
2.14.1 affected
2.14.2 affected
2.14.3 affected
2.14.4 affected
2.14.5 affected
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I. Basic Information for CVE-2025-8732

Vulnerability Information
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Vulnerability Title
libxml2 xmlcatalog xmlParseSGMLCatalog recursion
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in libxml2 up to 2.14.5. It has been declared as problematic. This vulnerability affects the function xmlParseSGMLCatalog of the component xmlcatalog. The manipulation leads to uncontrolled recursion. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The code maintainer explains, that "[t]he issue can only be triggered with untrusted SGML catalogs and it makes absolutely no sense to use untrusted catalogs. I also doubt that anyone is still using SGML catalogs at all."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Vulnerability Title
libxml2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libxml2是GNOME开源的一个用来解析XML文档的函数库。它用C语言写成，并且能为多种语言所调用，例如C语言，C++，XSH。 libxml2 2.14.5及之前版本存在安全漏洞，该漏洞源于不受控制的递归问题。
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
- libxml2 2.14.0 -

II. Public POCs for CVE-2025-8732

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III. Intelligence Information for CVE-2025-8732

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Same Patch Batch · n/a · 2025-08-08 · 11 CVEs total

CVE-2025-50466 7.1 HIGH OpenMetadata 安全漏洞
CVE-2025-50465 7.1 HIGH OpenMetadata 安全漏洞
CVE-2025-8743 3.5 LOW Scada-LTS Virtual Data Source Property data_source_edit.shtm cross site scripting
CVE-2020-9322 Statamic Core 安全漏洞
CVE-2025-50927 Easy Hosting Control Panel EHCP 安全漏洞
CVE-2025-50468 OpenMetadata 安全漏洞
CVE-2025-50467 OpenMetadata 安全漏洞
CVE-2025-50928 Easy Hosting Control Panel EHCP 安全漏洞
CVE-2025-52913 Mitel MiCollab 安全漏洞
CVE-2025-52914 Mitel MiCollab SQL注入漏洞

IV. Related Vulnerabilities

Same product: libxml2
Same vendor: n/a
Same weakness: CWE-674

V. Comments for CVE-2025-8732

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