CVE-2025-7519 MEDIUM

CVE-2025-7519: Polkit: xml policy file with a large number of nested elements may lead to out-of-bounds write

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-787
Published July 14, 2025
Last update June 30, 2026

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in polkit. When processing an XML policy with 32 or more nested elements in depth, an out-of-bounds write can be triggered. This issue can lead to a crash or other unexpected behavior, and arbitrary code execution is not discarded. To exploit this flaw, a high-privilege account is needed as it's required to place the malicious policy file properly.

Key dates

02Disclosure timeline

July 14, 2025 CVE published
June 30, 2026 Record updated