USN-6595-1

Source
https://ubuntu.com/security/notices/USN-6595-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6595-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6595-1
Upstream
Related
Published
2024-01-23T13:39:22.036541Z
Modified
2025-10-13T04:36:44Z
Summary
pycryptodome vulnerability
Details

It was discovered that PyCryptodome had a timing side-channel when performing OAEP decryption. A remote attacker could possibly use this issue to recover sensitive information.

References

Affected packages

Ubuntu:22.04:LTS / pycryptodome

Package

Name
pycryptodome
Purl
pkg:deb/ubuntu/pycryptodome@3.11.0+dfsg1-3ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.11.0+dfsg1-3ubuntu0.1

Affected versions

3.*

3.9.7+dfsg1-1build3
3.9.7+dfsg1-1build5
3.11.0+dfsg1-3
3.11.0+dfsg1-3build1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.11.0+dfsg1-3ubuntu0.1",
            "binary_name": "python3-pycryptodome"
        }
    ]
}

Database specific

{
    "cves_map": {
        "cves": [
            {
                "id": "CVE-2023-52323",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            }
        ],
        "ecosystem": "Ubuntu:22.04:LTS"
    }
}