CVE-2025-58189
When Conn.Handshake fails during ALPN negotiation the error contains attacker controlled information (the ALPN protocols sent by the client) which is not escaped.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.3
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS probability
- 0.44%
- Published
- 2025-10-29
- Last modified
- 2026-09-14
Affected products
- Go standard library crypto/tls
- Go standard library crypto/tls