Out-of-bounds Write Vulnerability in Polkit by Red Hat
CVE-2025-7519

6.7MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Vendor
CVE Published:
14 July 2025

What is CVE-2025-7519?

A flaw exists in Polkit that allows for an out-of-bounds write when processing XML policies that have 32 or more nested elements. This flaw may result in application crashes or abnormal software behavior. While arbitrary code execution cannot be ruled out entirely, exploiting this vulnerability necessitates a high-privilege account to correctly place the malicious policy file for it to be activated.

References

https://access.redhat.com/security/cve/CVE-2025-7519
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2379675
issue-trackingx_refsource_REDHAT
https://github.com/polkit-org/polkit/commit/107d3801361b9...

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-7519 : Out-of-bounds Write Vulnerability in Polkit by Red Hat