cve.bz

CVE-2020-26759

9.8 criticalEPSS 2.7%

Critical (9.8) in clickhouse-driver project clickhouse-driver. EPSS 2.7% chance of exploitation in the next 30 days. Fixed in clickhouse-driver 0.1.5.

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.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.7% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
CWE
CWE-120
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-vgv5-cxvh-vfxhPyPIclickhouse-driver<0.1.50.1.5
PYSEC-2021-61PyPIclickhouse-driver<0.1.50.1.5

References

Check your stackJSON