UBUNTU-CVE-2020-26759

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Source
https://ubuntu.com/security/CVE-2020-26759
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26759.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-26759
Upstream
Withdrawn
2025-07-18T16:46:08Z
Published
2021-01-06T13:15:00Z
Modified
2025-07-17T16:55:56Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

clickhouse-driver before 0.1.5 allows a malicious clickhouse server to trigger a crash or execute arbitrary code (on a database client) via a crafted server response, due to a buffer overflow.

References

Affected packages

Ubuntu:22.04:LTS / python-clickhouse-driver

Package

Name
python-clickhouse-driver
Purl
pkg:deb/ubuntu/python-clickhouse-driver@0.2.0-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.2.0-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python3-clickhouse-driver",
            "binary_version": "0.2.0-1"
        },
        {
            "binary_name": "python3-clickhouse-driver-dbgsym",
            "binary_version": "0.2.0-1"
        },
        {
            "binary_name": "python3-clickhouse-driver-doc",
            "binary_version": "0.2.0-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26759.json"