[security] golang.org/x/net fix pre-announcement

Hello gophers,

We plan to issue a security fix for the package golang.org/x/net/html in the golang.org/x/net module during US business hours on Thursday, March 27.

This will cover the following CVEs:

• CVE-2025-22872

Following our security policy, this is the pre-announcement of the fix.

Thanks,
The Go team