CVE-2025-22870

Description

Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.

References

https://github.com/cwayne18/vexscan

https://github.com/cwayne18/gomod-vex

https://security.netapp.com/advisory/ntap-20250509-0007/

https://pkg.go.dev/vuln/GO-2025-3503

https://groups.google.com/g/golang-announce/c/4t3lzH3I0eI/m/b42ImqrBAQAJ

https://go.dev/issue/71984

https://go.dev/cl/654697

http://www.openwall.com/lists/oss-security/2025/03/07/2

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS