Merge pull request #902 from pietroalbini/rust-1.56.1

Rust 1.56.1 release blog post

Author: pietroalbini

posts/2021-11-01-Rust-1.56.1.md

@@ -0,0 +1,32 @@
+---
+layout: post
+title: "Announcing Rust 1.56.1"
+author: The Rust Security Response WG
+release: true
+---
+
+The Rust team has published a new point release of Rust, 1.56.1. Rust is a
+programming language that is empowering everyone to build reliable and
+efficient software.
+
+If you have a previous version of Rust installed via rustup, getting Rust
+1.56.1 is as easy as:
+
+```
+rustup update stable
+```
+
+If you don't have it already, you can [get `rustup`][rustup] from the
+appropriate page on our website.
+
+[rustup]: https://www.rust-lang.org/install.html
+
+## What's in 1.56.1 stable
+
+Rust 1.56.1 introduces two new lints to mitigate the impact of a security
+concern recently disclosed, CVE-2021-42574. We recommend all users upgrade
+immediately to ensure their codebase is not affected by the security issue.
+
+You can learn more about the security issue in [the advisory][advisory].
+
+[advisory]: https://blog.rust-lang.org/2021/11/01/cve-2021-42574.html