Description
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Golang / Go1.25.10
- Go standard library / net0 – 1.25.10
- Go standard library / net1.26.0-0 – 1.26.3
Updated 24m ago · 8 sources