CVE-2025-7519
6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
0 <= 126 | affected |
Weaknesses
- CWE-787: Out-of-bounds Write
Workarounds
There's no known mitigation to this vulnerability other than avoiding the implementation of unknown or untrusted polkit policy files to the system.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://access.redhat.com/security/cve/CVE-2025-7519
- https://bugzilla.redhat.com/show_bug.cgi?id=2379675
- https://github.com/polkit-org/polkit/commit/107d3801361b9f9084f78710178e683391f1d245
- https://github.com/polkit-org/polkit/pull/570
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