USN-7534-1

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Source
https://ubuntu.com/security/notices/USN-7534-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7534-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-7534-1
Upstream
Related
Published
2025-05-26T16:34:53.786735Z
Modified
2025-07-16T08:57:45.110Z
Summary
flask vulnerability
Details

It was discovered that Flask incorrectly handled key rotation. An attacker could possibly use this issue to sign sessions with stale keys.

References

Affected packages

Ubuntu:25.04 / flask

Package

Name
flask
Purl
pkg:deb/ubuntu/flask@3.1.0-2ubuntu1.1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.0-2ubuntu1.1

Affected versions

3.*

3.0.3-1ubuntu1
3.1.0-2ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-flask-doc",
            "binary_version": "3.1.0-2ubuntu1.1"
        },
        {
            "binary_name": "python3-flask",
            "binary_version": "3.1.0-2ubuntu1.1"
        }
    ],
    "availability": "No subscription required"
}