Critical severity9.8NVD Advisory· Published Jan 6, 2021· Updated Jun 17, 2026
CVE-2020-26759
CVE-2020-26759
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
clickhouse-driverPyPI | < 0.1.5 | 0.1.5 |
Affected products
4- clickhouse-driver/clickhouse-driverdescription
- ghsa-coords2 versions
< 0.1.5+ 1 more
- (no CPE)range: < 0.1.5
- (no CPE)range: < 0.1.5
- cpe:2.3:a:clickhouse-driver_project:clickhouse-driver:*:*:*:*:*:*:*:*Range: <0.1.5
Patches
Vulnerability mechanics
References
5- github.com/mymarilyn/clickhouse-driver/commit/3e990547e064b8fca916b23a0f7d6fe8c63c7f6bnvdPatchThird Party AdvisoryWEB
- github.com/mymarilyn/clickhouse-driver/commit/d708ed548e1d6f254ba81a21de8ba543a53b5598nvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-vgv5-cxvh-vfxhghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-26759ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/clickhouse-driver/PYSEC-2021-61.yamlghsaWEB
News mentions
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