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CVE-2025-7519

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

Published: Jul 14, 2025Updated: Aug 11, 2025 Sources: CVE List NVD BDUCWE-787
NVD MITRE
6.7CVSSMEDIUM
EPSS Score
0.2%
Top 91.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

Red Hat Enterprise Linux 10Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 6Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 7Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8Red Hat
On-premOS
Operating Systems / linux-distro
red hatcommercialUSOperating Systemsaka red hat
and 7 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/security/cve/CVE-2025-7519
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2379675
bugzilla.redhat.com
https://github.com/polkit-org/polkit/commit/107d3801361b9f9084f78710178e683391f1d245
github.com
and 8 more references View all →

Timeline

Published
Jul 14, 2025
Last Updated
Aug 11, 2025

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