CVE-2025-71407 - Nokogiri before 1.18.3 contains a stack buffer overflow vulnerability in libxml2 when reporting DTD validation errors with long QName prefixes, and a use-after-free vulnerability during validation against untrusted XML Schemas. Attackers can trigger these vulnerabilities by providing malicious DTD content or untrusted XSD files to cause denial of service or potential code execution. - 漏洞详情

漏洞编号：CVE-2025-71407

风险等级：危急

漏洞来源：CVE

CVE 编号：CVE-2025-71407

CNNVD 编号：-

厂商/产品：- / -

影响范围：-

CWE：CWE-787

发布/更新时间：2026-08-25 / 2026-08-28

漏洞描述

Nokogiri before 1.18.3 contains a stack buffer overflow vulnerability in libxml2 when reporting DTD validation errors with long QName prefixes, and a use-after-free vulnerability during validation against untrusted XML Schemas. Attackers can trigger these vulnerabilities by providing malicious DTD content or untrusted XSD files to cause denial of service or potential code execution.

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