Description

When using the ch-go library, under a specific condition when the query includes a large, uncompressed malicious external data, it is possible for an attacker in control of such data to smuggle another query packet into the connection stream.

Classification

CVE ID: CVE-2025-1386

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.9

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Affected Products

Vendor: ch-go

Product: ch-go

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 2.15% (scored less or equal to compared to others)

EPSS Date: 2025-04-20 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-1386
https://github.com/ClickHouse/ch-go/security/advisories/GHSA-m454-3xv7-qj85

Timeline