CVE-2025-58189

MEDIUM

5.3

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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published10/29/2025

Last Modified1/29/2026

Sourcenvd

Honeypot Sightings0

Affected Products

golang:go

Weaknesses (CWE)

CWE-532

References

https://go.dev/cl/707776(security@golang.org)

https://go.dev/issue/75652(security@golang.org)

https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI(security@golang.org)

https://pkg.go.dev/vuln/GO-2025-4008(security@golang.org)

http://www.openwall.com/lists/oss-security/2025/10/08/1(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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