[security] Go 1.21.2 and Go 1.20.9 pre-announcement

[anno...@golang.org]

Hello gophers,

We plan to issue Go 1.21.2 and Go 1.20.9 during US business hours on Thursday, October 5.

These minor releases include PRIVATE security fixes to the toolchain, covering the following CVE:

• CVE-2023-39323

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

Thanks,
Than for the Go team