through the built-in NodeRestriction admission plugin.

**Affected Versions**:
  - kube-apiserver v1.20.0 - v1.20.5
  - kube-apiserver v1.19.0 - v1.19.9
  - kube-apiserver <= v1.18.17

**Fixed Versions**:
  - kube-apiserver v1.21.0
  - kube-apiserver v1.20.6
  - kube-apiserver v1.19.10
  - kube-apiserver v1.18.18

This vulnerability was reported by Rogerio Bastos & Ari Lima from RedHat

<!-- END MUNGE: GENERATED_TOC -->

# v1.18.20


## Downloads for v1.18.20

### Source Code

filename | sha512 hash
-------- | -----------
[kubernetes.tar.gz](https://dl.k8s.io/v1.18.20/kubernetes.tar.gz) | 27832e96511cddd06195e60efaf67f6482c7ee676d27ac5140f6ba9811c65a660a783c1e36ebee709c4b09a2b9169ead7953a032560b9648751f3a98559d13e5

### API Change

- golang.org/x/text: v0.19.0 → v0.21.0
- k8s.io/kube-openapi: 32ad38e → 2c72e55
- sigs.k8s.io/apiserver-network-proxy/konnectivity-client: v0.31.0 → v0.31.1
- sigs.k8s.io/kustomize/api: v0.18.0 → v0.19.0
- sigs.k8s.io/kustomize/cmd/config: v0.15.0 → v0.19.0
- sigs.k8s.io/kustomize/kustomize/v5: v5.5.0 → v5.6.0
- sigs.k8s.io/kustomize/kyaml: v0.18.1 → v0.19.0

### Removed

- github.com/go-openapi/analysis: [v0.19.5](https://github.com/go-openapi/analysis/tree/v0.19.5)
- github.com/go-openapi/errors: [v0.19.2](https://github.com/go-openapi/errors/tree/v0.19.2)
- github.com/go-openapi/loads: [v0.19.4](https://github.com/go-openapi/loads/tree/v0.19.4)
- github.com/go-openapi/runtime: [v0.19.4](https://github.com/go-openapi/runtime/tree/v0.19.4)

pkg syscall (darwin-arm64), const B150 ideal-int
pkg syscall (darwin-arm64), const B1800 = 1800
pkg syscall (darwin-arm64), const B1800 ideal-int
pkg syscall (darwin-arm64), const B19200 = 19200
pkg syscall (darwin-arm64), const B19200 ideal-int
pkg syscall (darwin-arm64), const B200 = 200
pkg syscall (darwin-arm64), const B200 ideal-int
pkg syscall (darwin-arm64), const B230400 = 230400

- k8s.io/utils: 3ea5e8c → 4c0f3b2
- sigs.k8s.io/json: 9aa6b5e → cfa47c3
- sigs.k8s.io/kustomize/api: v0.19.0 → v0.20.1
- sigs.k8s.io/kustomize/cmd/config: v0.19.0 → v0.20.1
- sigs.k8s.io/kustomize/kustomize/v5: v5.6.0 → v5.7.1
- sigs.k8s.io/kustomize/kyaml: v0.19.0 → v0.20.1
- sigs.k8s.io/yaml: v1.4.0 → v1.6.0

### Removed
- cloud.google.com/go/accessapproval: v1.7.4

e(["YYYYY","YYYYYY"],fe),Le("YYYY",function(e,a){a[fe]=2===e.length?M.parseTwoDigitYear(e):G(e)}),Le("YY",function(e,a){a[fe]=M.parseTwoDigitYear(e)}),Le("Y",function(e,a){a[fe]=parseInt(e,10)}),M.parseTwoDigitYear=function(e){return G(e)+(68<G(e)?1900:2e3)};var ze=V("FullYear",!0);function Ne(e){var a,t;return e<100&&0<=e?((t=Array.prototype.slice.call(arguments))[0]=e+400,a=new Date(Date.UTC.apply(null,t)),isFinite(a.getUTCFullYear())&&a.setUTCFullYear(e)):a=new Date(Date.UTC.apply(null,arguments)),a}function...

- go.uber.org/goleak: v1.2.1 → v1.3.0
- go.uber.org/zap: v1.19.0 → v1.26.0
- golang.org/x/crypto: v0.14.0 → v0.16.0
- golang.org/x/mod: v0.12.0 → v0.14.0
- golang.org/x/net: v0.17.0 → v0.19.0
- golang.org/x/sync: v0.3.0 → v0.5.0
- golang.org/x/sys: v0.13.0 → v0.15.0
- golang.org/x/term: v0.13.0 → v0.15.0
- golang.org/x/text: v0.13.0 → v0.14.0
- golang.org/x/tools: v0.12.0 → v0.16.1
- k8s.io/klog/v2: v2.110.1 → v2.120.1

- github.com/envoyproxy/go-control-plane: [668b12f → 63b5d3c](https://github.com/envoyproxy/go-control-plane/compare/668b12f...63b5d3c)
- github.com/evanphx/json-patch: [v4.11.0+incompatible → v4.12.0+incompatible](https://github.com/evanphx/json-patch/compare/v4.11.0...v4.12.0)
- github.com/go-logr/logr: [v0.4.0 → v1.2.0](https://github.com/go-logr/logr/compare/v0.4.0...v1.2.0)