UBUNTU-CVE-2025-9905

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Source

https://ubuntu.com/security/CVE-2025-9905

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-9905.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-9905

Upstream

CVE-2025-9905

Published

2025-09-19T09:15:00Z

Modified

2025-10-24T05:16:35Z

Severity

7.3 (High) CVSS_V4 - CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVSS Calculator
7.3 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

The Keras Model.loadmodel method can be exploited to achieve arbitrary code execution, even with safemode=True. One can create a specially crafted .h5/.hdf5 model archive that, when loaded via Model.loadmodel, will trigger arbitrary code to be executed. This is achieved by crafting a special .h5 archive file that uses the Lambda layer feature of keras which allows arbitrary Python code in the form of pickled code. The vulnerability comes from the fact that the safemode=True option is not honored when reading .h5 archives. Note that the .h5/.hdf5 format is a legacy format supported by Keras 3 for backwards compatibility.

References

Affected packages

Ubuntu:18.04:LTS / keras

Package

Name: keras
Purl: pkg:deb/ubuntu/keras@2.1.1-1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.7-2

2.*

2.1.1-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "python3-keras",
            "binary_version": "2.1.1-1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-9905.json"

Ubuntu:20.04:LTS / keras