VULNERABILITY INTELLIGENCE

CVE-2025-58189

CVSS score5.3 MEDIUM

EPSS probability0.47%

CISA KEVNot currently listed

Published2025-10-29

Last modified2026-10-08

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

Weakness classification

nvd@nist.gov: CWE-532

Primary references

security@golang.org — Patch
security@golang.org — Issue Tracking
security@golang.org — Mailing List, Release Notes
security@golang.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Release Notes, Third Party Advisory