CVE-2025-7519 – Polkit XML Policy Parsing Out-of-Bounds Write Vulnerability

The following table lists the changes that have been made to the
CVE-2025-7519 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jul. 14, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V3.1 AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-787
    Added Reference https://access.redhat.com/security/cve/CVE-2025-7519
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2379675
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