PatchTheCVECVE-2025-1386: When using the ch-go library, under a specific condition when the query includes a large, uncompressed malicio
CVE-2025-1386 is a medium-severity flaw (CVSS 4.9) affecting ch. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 67%) |
| CISA exploited list | No |
| Weakness | CWE-444 |
| Published | 2025-04-11 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-1386?
ch: upgrade to 0.65.0. Exact commands for each OS are on this page.
Is CVE-2025-1386 being exploited?
CVE-2025-1386 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-1386 affect?
CVE-2025-1386 affects ch. Severity is medium (CVSS 4.9). 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 strea
How urgent is CVE-2025-1386?
Priority 26/100. No elevated risk signals yet.