Release notes for 1.19.5 (#14305)

* Release notes for 1.19.5

Signed-off-by: Kalya Subramanian <kasubra@microsoft.com>

* Apply suggestions from code review

Co-authored-by: Eric Van Norman <ericvn@us.ibm.com>

* Update content/en/news/releases/1.19.x/announcing-1.19.5/index.md

Co-authored-by: Eric Van Norman <ericvn@us.ibm.com>

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Signed-off-by: Kalya Subramanian <kasubra@microsoft.com>
Co-authored-by: Eric Van Norman <ericvn@us.ibm.com>
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---
title: Announcing Istio 1.19.5
linktitle: 1.19.5
subtitle: Patch Release
description: Istio 1.19.5 patch release.
publishdate: 2023-12-12
release: 1.19.5
---
This release implements the security updates described in our Dec 12th post, [`ISTIO-SECURITY-2023-005`](/news/security/istio-security-2023-005) along with bug fixes to improve robustness.
This release note describes whats different between Istio 1.19.4 and 1.19.5.
{{< relnote >}}
## Changes
- **Fixed** an issue where the webhook generated with `istioctl tag set` is unexpectedly being removed by the installer.
([Issue #47423](https://github.com/istio/istio/issues/47423))
- **Fixed** an issue where multi-cluster leader election cannot prioritize local over remote leaders.
([Issue #47901](https://github.com/istio/istio/issues/47901))
- **Fixed** a memory leak when `hostNetwork` pods scale up and down.
([Issue #47893](https://github.com/istio/istio/issues/47893))
- **Fixed** a memory leak when `WorkloadEntries` change their IP address.
([Issue #47893](https://github.com/istio/istio/issues/47893))
- **Fixed** a memory leak when a `ServiceEntry` is removed.
([Issue #47893](https://github.com/istio/istio/issues/47893))
## Security update
- Changes to Istio CNI Permissions as described in [`ISTIO-SECURITY-2023-005`](/news/security/istio-security-2023-005).