diff --git a/Cargo.lock b/Cargo.lock
index dab693419a95d..50f7328378653 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -194,6 +194,12 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -288,10 +294,11 @@ dependencies = [
 
 [[package]]
 name = "cargo"
-version = "0.67.0"
+version = "0.67.1"
 dependencies = [
  "anyhow",
  "atty",
+ "base64",
  "bytesize",
  "cargo-platform 0.1.2",
  "cargo-test-macro",
@@ -309,6 +316,7 @@ dependencies = [
  "git2-curl",
  "glob",
  "hex 0.4.2",
+ "hmac",
  "home",
  "humantime 2.0.1",
  "ignore",
@@ -336,6 +344,7 @@ dependencies = [
  "serde-value",
  "serde_ignored",
  "serde_json",
+ "sha1",
  "shell-escape",
  "snapbox",
  "strip-ansi-escapes",
@@ -1004,11 +1013,12 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.1.2"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4600d695eb3f6ce1cd44e6e291adceb2cc3ab12f20a33777ecd0bf6eba34e06"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
+ "typenum",
 ]
 
 [[package]]
@@ -1095,12 +1105,13 @@ checksum = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
 
 [[package]]
 name = "digest"
-version = "0.10.2"
+version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cb780dce4f9a8f5c087362b3a4595936b2019e7c8b30f2c3e9a7e94e6ae9837"
+checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
 dependencies = [
  "block-buffer",
  "crypto-common",
+ "subtle",
 ]
 
 [[package]]
@@ -1558,9 +1569,9 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.15.0"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2994bee4a3a6a51eb90c218523be382fd7ea09b16380b9312e9dbe955ff7c7d1"
+checksum = "be36bc9e0546df253c0cc41fd0af34f5e92845ad8509462ec76672fac6997f5b"
 dependencies = [
  "bitflags",
  "libc",
@@ -1573,9 +1584,9 @@ dependencies = [
 
 [[package]]
 name = "git2-curl"
-version = "0.16.0"
+version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed817a00721e2f8037ba722e60358d4956dae9cca10315fc982f967907d3b0cd"
+checksum = "7577f4e6341ba7c90d883511130a45b956c274ba5f4d205d9f9da990f654cd33"
 dependencies = [
  "curl",
  "git2",
@@ -1676,6 +1687,15 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
 
+[[package]]
+name = "hmac"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+dependencies = [
+ "digest",
+]
+
 [[package]]
 name = "home"
 version = "0.5.3"
@@ -1963,9 +1983,9 @@ dependencies = [
 
 [[package]]
 name = "libgit2-sys"
-version = "0.14.0+1.5.0"
+version = "0.14.1+1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47a00859c70c8a4f7218e6d1cc32875c4b55f6799445b842b0d8ed5e4c3d959b"
+checksum = "4a07fb2692bc3593bda59de45a502bb3071659f2c515e28c71e728306b038e17"
 dependencies = [
  "cc",
  "libc",
@@ -4536,6 +4556,17 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
+dependencies = [
+ "cfg-if 1.0.0",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "sha2"
 version = "0.10.1"
@@ -4745,6 +4776,12 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
+[[package]]
+name = "subtle"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
+
 [[package]]
 name = "syn"
 version = "1.0.102"
@@ -5106,9 +5143,9 @@ dependencies = [
 
 [[package]]
 name = "typenum"
-version = "1.12.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
 
 [[package]]
 name = "ucd-parse"
diff --git a/RELEASES.md b/RELEASES.md
index 5b4d6ccd9b8b8..691bc946c5109 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,3 +1,8 @@
+Version 1.66.1 (2023-01-10)
+===========================
+
+- Added validation of SSH host keys for git URLs in Cargo ([CVE-2022-46176](https://www.cve.org/CVERecord?id=CVE-2022-46176))
+
 Version 1.66.0 (2022-12-15)
 ==========================
 
diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh b/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh
index 80a066cac298a..33da9f7f3811c 100755
--- a/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh
+++ b/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh
@@ -27,6 +27,6 @@ python3 "$X_PY" test --stage 2 src/tools/rustfmt
 python3 "$X_PY" test --stage 2 src/tools/miri
 # We natively run this script on x86_64-unknown-linux-gnu and x86_64-pc-windows-msvc.
 # Also cover some other targets (on both of these hosts) via cross-testing.
-python3 "$X_PY" test --stage 2 src/tools/miri --target i686-pc-windows-msvc
+#python3 "$X_PY" test --stage 2 src/tools/miri --target i686-pc-windows-msvc
 #FIXME(https://github.com/rust-lang/rust/issues/103519): macOS testing is currently disabled
 # python3 "$X_PY" test --stage 2 src/tools/miri --target aarch64-apple-darwin
diff --git a/src/ci/scripts/checkout-submodules.sh b/src/ci/scripts/checkout-submodules.sh
index f6cb8f8a6da65..5bb343241aea6 100755
--- a/src/ci/scripts/checkout-submodules.sh
+++ b/src/ci/scripts/checkout-submodules.sh
@@ -36,7 +36,8 @@ function fetch_github_commit_archive {
     rm $cached
 }
 
-included="src/llvm-project src/doc/book src/doc/rust-by-example"
+#included="src/llvm-project src/doc/book src/doc/rust-by-example"
+included=""
 modules="$(git config --file .gitmodules --get-regexp '\.path$' | cut -d' ' -f2)"
 modules=($modules)
 use_git=""
@@ -60,9 +61,9 @@ done
 retry sh -c "git submodule deinit -f $use_git && \
     git submodule sync && \
     git submodule update -j 16 --init --recursive --depth 1 $use_git"
-STATUS=0
-for pid in ${bg_pids[*]}
-do
-    wait $pid || STATUS=1
-done
-exit ${STATUS}
+#STATUS=0
+#for pid in ${bg_pids[*]}
+#do
+#    wait $pid || STATUS=1
+#done
+#exit ${STATUS}
diff --git a/src/tools/cargo b/src/tools/cargo
index d65d197ad5c6c..ad779e08be893 160000
--- a/src/tools/cargo
+++ b/src/tools/cargo
@@ -1 +1 @@
-Subproject commit d65d197ad5c6c09234369f219f943e291d4f04b9
+Subproject commit ad779e08be893e57a9e17a810223a3e966f8c0d8
diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs
index 8a0239eceff13..06c89cea1e21d 100644
--- a/src/tools/tidy/src/deps.rs
+++ b/src/tools/tidy/src/deps.rs
@@ -47,6 +47,7 @@ const EXCEPTIONS: &[(&str, &str)] = &[
     ("dunce", "CC0-1.0"),            // cargo (dev dependency)
     ("similar", "Apache-2.0"),       // cargo (dev dependency)
     ("normalize-line-endings", "Apache-2.0"), // cargo (dev dependency)
+    ("subtle", "BSD-3-Clause"),      // cargo
 ];
 
 const EXCEPTIONS_CRANELIFT: &[(&str, &str)] = &[
@@ -205,6 +206,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[
     "snap",
     "stable_deref_trait",
     "stacker",
+    "subtle",
     "syn",
     "synstructure",
     "tempfile",
diff --git a/src/version b/src/version
index b6148bc0a759f..0403bed10c327 100644
--- a/src/version
+++ b/src/version
@@ -1 +1 @@
-1.66.0
+1.66.1