CVE-2025-6021 Information

Jun 13, 2025 cve

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://access.redhat.com/security/cve/CVE-2025-6021 https://bugzilla.redhat.com/show_bug.cgi?id=2372406

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5

CNNVD-202506-1657 (Published: 2025-06-12)

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