CVE-2025-58189
crypto/tls: go crypto/tls ALPN negotiation error contains attacker controlled information
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 30, 2025
Updated · October 27, 2026
Description
The crypto/tls conn.Handshake method returns an error on the server-side when ALPN negotation fails which can contain arbitrary attacker controlled information provided by the client-side of the connection which is not escaped. This affects programs which log these errors without any additional form of sanitization, and may allow injection of attacker controlled information into logs.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE-117 · Improper Output Neutralization for Logs