CVE catalog
CVE-2020-26759
python-clickhouse-driver: CVE-2020-26759
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.69% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | python-clickhouse-driver | sid | 0.2.11-1 | fixed |
| Debian | python-clickhouse-driver | forky | 0.2.5-3 | fixed |
| Debian | python-clickhouse-driver | trixie | 0.2.5-2 | fixed |
| Debian | python-clickhouse-driver | bookworm | 0.2.5-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | python-clickhouse-driver | source | sid | 0.2.0-1 | not yet assigned | Not reported | Not reported |
| Debian | python-clickhouse-driver | source | forky | 0.2.0-1 | not yet assigned | Not reported | Not reported |
| Debian | python-clickhouse-driver | source | trixie | 0.2.0-1 | not yet assigned | Not reported | Not reported |
| Debian | python-clickhouse-driver | source | bookworm | 0.2.0-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [python3-clickhouse-driver]Fixed
Source package: [python-clickhouse-driver]
Details (2)
0.2.5-1+b1· amd64 · bookwormFixed · Fixed:
0.2.0-1dsa · python-clickhouse-driver · debian · bookworm; dsa · python-clickhouse-driver · debian · 12
0.2.5-1+b1· arm64 · bookwormFixed · Fixed:
0.2.0-1dsa · python-clickhouse-driver · debian · bookworm; dsa · python-clickhouse-driver · debian · 12
Source package: [python-clickhouse-driver]
Details (2)
0.2.5-1· all · bookwormFixed · Fixed:
0.2.0-1dsa · python-clickhouse-driver · debian · bookworm; dsa · python-clickhouse-driver · debian · 12
0.2.5-1· all · bookwormFixed · Fixed:
0.2.0-1dsa · python-clickhouse-driver · debian · bookworm; dsa · python-clickhouse-driver · debian · 12
[Debian 13 (Trixie)]
- [python3-clickhouse-driver]Fixed
Source package: [python-clickhouse-driver]
Details (2)
0.2.5-2+b3· amd64 · trixieFixed · Fixed:
0.2.0-1dsa · python-clickhouse-driver · debian · 13
0.2.5-2+b4· arm64 · trixieFixed · Fixed:
0.2.0-1dsa · python-clickhouse-driver · debian · 13
Source package: [python-clickhouse-driver]
Details (2)
0.2.5-2· all · trixieFixed · Fixed:
0.2.0-1dsa · python-clickhouse-driver · debian · 13
0.2.5-2· all · trixieFixed · Fixed:
0.2.0-1dsa · python-clickhouse-driver · debian · 13
Observed: