Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2

CVE Details

Basic Information

Title Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
Type cve
Published 2025-06-12T12:49:16.157Z
Last Seen

Product Information

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Version

CVSS Information

Base Score 7.5 (HIGH)
Attack Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidentiality Impact
Integrity Impact
Availability Impact

AI Analysis

AI Description A flaw in libxml2’s xmlBuildQName function allows integer overflows in buffer size calculations, leading to a stack-based buffer overflow. This can cause memory corruption or denial of service when processing crafted input.
AI Severity High
Vendor GNOME
Product libxml2
Affected Version

Additional Information

CVE List
CWE List CWE-121
Bulletin Family

Description

A flaw was found in libxml2’s xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.

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