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[Security] 8.19.19 release notes #7191

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[Security] 8.19.19 release notes
natasha-moore-elastic Jul 16, 2026
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1 change: 1 addition & 0 deletions docs/release-notes.asciidoc
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This section summarizes the changes in each release.

* <<release-notes-8.19.19, {elastic-sec} version 8.19.19>>
* <<release-notes-8.19.18, {elastic-sec} version 8.19.18>>
* <<release-notes-8.19.17, {elastic-sec} version 8.19.17>>
* <<release-notes-8.19.16, {elastic-sec} version 8.19.16>>
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22 changes: 22 additions & 0 deletions docs/release-notes/8.19.asciidoc
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[[release-notes-header-8.19.0]]
== 8.19

[discrete]
[[release-notes-8.19.19]]
=== 8.19.19

[discrete]
[[features-8.19.19]]
==== New features

* Adds the LXC container name to event telemetry for {elastic-defend} on Linux.

[discrete]
[[bug-fixes-8.19.19]]
==== Fixes
* Fixes an issue where opening the rule details flyout for a deleted rule crashed the {security-app} when the rule was missing `severity_mapping` or `risk_score_mapping` values ({kibana-pull}278545[#278545]).
* Fixes an issue where {kib} assets from an installed integration package (such as dashboards used by prebuilt detection rules) could remain stale across a {kib} upgrade because {fleet} never overwrote existing assets on reinstall ({kibana-pull}277953[#277953]).
* Fixes an issue where the **Source event** link in an alert's **Highlighted fields** section failed to open the document when its source index had been restored (for example, from a cold or frozen tier) and renamed ({kibana-pull}277703[#277703]).
* Fixes a denial of service (DoS) vulnerability in {kib}'s Timeline bulk export functionality ({kibana-pull}260265[#260265]).
* Updates the bundled `curl` library to 8.20.0 in {elastic-defend}, improving the stability of network operations on Linux.
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* Fixes an issue in {elastic-defend} that could result in incomplete addresses in network event tracking.
* Fixes an issue where {elastic-defend} on macOS could not recover its subscription to network events after a failure, because the failed subscription was sticky and no recovery was attempted.
* Fixes a crash in {elastic-defend} when the Kafka broker rejected a document that was too large.

[discrete]
[[release-notes-8.19.18]]
=== 8.19.18
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