CVE-2025-7519
Polkit XML Policy Parsing Out-of-Bounds Write Vulnerability
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.
INFO
Published Date :
July 14, 2025, 2:15 p.m.
Last Modified :
Aug. 11, 2025, 7:20 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-7519
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected packages to resolve the vulnerability.
- Consider a system reboot after the update.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-7519.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2025-7519 | Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2379675 | Issue Tracking |
| https://github.com/polkit-org/polkit/commit/107d3801361b9f9084f78710178e683391f1d245 | Patch |
| https://github.com/polkit-org/polkit/pull/570 | Patch |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-7519 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-7519
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-7519 vulnerability anywhere in the article.
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.
-
Initial Analysis by [email protected]
Aug. 11, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* Added Reference Type Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2025-7519 Types: Vendor Advisory Added Reference Type Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2379675 Types: Issue Tracking Added Reference Type Red Hat, Inc.: https://github.com/polkit-org/polkit/commit/107d3801361b9f9084f78710178e683391f1d245 Types: Patch Added Reference Type Red Hat, Inc.: https://github.com/polkit-org/polkit/pull/570 Types: Patch -
CVE Modified by [email protected]
Jul. 25, 2025
Action Type Old Value New Value Added Reference https://github.com/polkit-org/polkit/commit/107d3801361b9f9084f78710178e683391f1d245 Added Reference https://github.com/polkit-org/polkit/pull/570 -
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