Bump gopkg.in/yaml.v2 from 2.2.2 to 2.2.3

Bumps [gopkg.in/yaml.v2](https://github.com/go-yaml/yaml) from 2.2.2 to 2.2.3.
- [Release notes](https://github.com/go-yaml/yaml/releases)
- [Commits](https://github.com/go-yaml/yaml/compare/v2.2.2...v2.2.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Matthew Heon <mheon@redhat.com>
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

5 files changed, 18 insertions, 3 deletions

diff --git a/go.mod b/go.mod
index c9844fad6..aafb1a526 100644
--- a/go.mod
+++ b/go.mod
@@ -104,7 +104,7 @@ require (
 	google.golang.org/genproto v0.0.0-20190620144150-6af8c5fc6601 // indirect
 	google.golang.org/grpc v1.21.1 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v2 v2.2.2
+	gopkg.in/yaml.v2 v2.2.3
 	k8s.io/api v0.0.0-20190813020757-36bff7324fb7
 	k8s.io/apimachinery v0.0.0-20190809020650-423f5d784010
 	k8s.io/client-go v0.0.0-20190620085101-78d2af792bab
diff --git a/go.sum b/go.sum
index aecbcfaba..58c16280a 100644
--- a/go.sum
+++ b/go.sum
@@ -756,6 +756,8 @@ gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bl
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3 h1:fvjTMHxHEw/mxHbtzPi3JCcKXQRAnQTBRo6YCJSVHKI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gotest.tools v0.0.0-20190624233834-05ebafbffc79/go.mod h1:R//lfYlUuTOTfblYI3lGoAAAebUdzjvbmQsuB7Ykd90=
 gotest.tools v2.1.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
diff --git a/vendor/gopkg.in/yaml.v2/decode.go b/vendor/gopkg.in/yaml.v2/decode.go
index e4e56e28e..91679b5b4 100644
--- a/vendor/gopkg.in/yaml.v2/decode.go
+++ b/vendor/gopkg.in/yaml.v2/decode.go
@@ -229,6 +229,10 @@ type decoder struct {
 	mapType reflect.Type
 	terrors []string
 	strict  bool
+
+	decodeCount int
+	aliasCount  int
+	aliasDepth  int
 }
 
 var (
@@ -315,6 +319,13 @@ func (d *decoder) prepare(n *node, out reflect.Value) (newout reflect.Value, unm
 }
 
 func (d *decoder) unmarshal(n *node, out reflect.Value) (good bool) {
+	d.decodeCount++
+	if d.aliasDepth > 0 {
+		d.aliasCount++
+	}
+	if d.aliasCount > 100 && d.decodeCount > 1000 && float64(d.aliasCount)/float64(d.decodeCount) > 0.99 {
+		failf("document contains excessive aliasing")
+	}
 	switch n.kind {
 	case documentNode:
 		return d.document(n, out)
@@ -353,7 +364,9 @@ func (d *decoder) alias(n *node, out reflect.Value) (good bool) {
 		failf("anchor '%s' value contains itself", n.value)
 	}
 	d.aliases[n] = true
+	d.aliasDepth++
 	good = d.unmarshal(n.alias, out)
+	d.aliasDepth--
 	delete(d.aliases, n)
 	return good
 }
diff --git a/vendor/gopkg.in/yaml.v2/resolve.go b/vendor/gopkg.in/yaml.v2/resolve.go
index 6c151db6f..4120e0c91 100644
--- a/vendor/gopkg.in/yaml.v2/resolve.go
+++ b/vendor/gopkg.in/yaml.v2/resolve.go
@@ -81,7 +81,7 @@ func resolvableTag(tag string) bool {
 	return false
 }
 
-var yamlStyleFloat = regexp.MustCompile(`^[-+]?[0-9]*\.?[0-9]+([eE][-+][0-9]+)?$`)
+var yamlStyleFloat = regexp.MustCompile(`^[-+]?(\.[0-9]+|[0-9]+(\.[0-9]*)?)([eE][-+]?[0-9]+)?$`)
 
 func resolve(tag string, in string) (rtag string, out interface{}) {
 	if !resolvableTag(tag) {
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 63014d4a1..9c5a2fdfc 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -549,7 +549,7 @@ gopkg.in/fsnotify.v1
 gopkg.in/inf.v0
 # gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7
 gopkg.in/tomb.v1
-# gopkg.in/yaml.v2 v2.2.2
+# gopkg.in/yaml.v2 v2.2.3
 gopkg.in/yaml.v2
 # k8s.io/api v0.0.0-20190813020757-36bff7324fb7
 k8s.io/api/core/v1