# CVE-2025-58189

## Summary

- **CVE ID:** CVE-2025-58189
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
- **CWE:** N/A
- **Published:** Oct 29, 2025
- **Last Modified:** Sep 14, 2026

## Description

When Conn.Handshake fails during ALPN negotiation the error contains attacker controlled information (the ALPN protocols sent by the client) which is not escaped.

## Affected Products

- Go standard library — crypto/tls (0)
- Go standard library — crypto/tls (1.25.0)

## References

- [CNA](https://go.dev/cl/707776)
- [CNA](https://go.dev/issue/75652)
- [CNA](https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI)
- [CNA](https://pkg.go.dev/vuln/GO-2025-4008)
- [CVE](http://www.openwall.com/lists/oss-security/2025/10/08/1)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.44%
- **EPSS Percentile:** 37.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._