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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected products
- Golang / Go1.24.8
- Go standard library / crypto/tls0 – 1.24.8
- Go standard library / crypto/tls1.25.0 – 1.25.2
Updated 26m ago · 8 sources