docs: add security notice (#5261)

* docs: add security notice

* docs: fix the affected version

* docs: fix the `Impact` wording

* docs: fix the `Affected` wording

Author: ana-vinogradova-camunda

docs/reference/notices.md

@@ -8,6 +8,30 @@ description: "Let's take a closer look at security notices, reporting vulnerabil
 
 Camunda publishes security notices after fixes are available.
 
+### Notice 16
+
+#### Publication date
+
+March 14th, 2025
+
+#### Product affected
+
+Camunda Zeebe
+
+#### Impact
+
+Some Camunda Zeebe versions were affected by a vulnerability that allowed a malicious attacker to craft network packets that could crash the gateway.
+
+#### How to determine if the installation is affected
+
+You are using Camunda Zeebe 8.6.0 - 8.6.11
+
+#### Solution
+
+Camunda has provided the following release which contains a fix:
+
+- [Camunda Zeebe 8.6.12](https://github.com/camunda/camunda/releases/tag/8.6.12)
+
 ### Notice 15
 
 #### Publication date

versioned_docs/version-8.6/reference/notices.md

@@ -8,6 +8,30 @@ description: "Let's take a closer look at security notices, reporting vulnerabil
 
 Camunda publishes security notices after fixes are available.
 
+### Notice 16
+
+#### Publication date
+
+March 14th, 2025
+
+#### Product affected
+
+Camunda Zeebe
+
+#### Impact
+
+Some Camunda Zeebe versions were affected by a vulnerability that allowed a malicious attacker to craft network packets that could crash the gateway.
+
+#### How to determine if the installation is affected
+
+You are using Camunda Zeebe 8.6.0 - 8.6.11
+
+#### Solution
+
+Camunda has provided the following release which contains a fix:
+
+- [Camunda Zeebe 8.6.12](https://github.com/camunda/camunda/releases/tag/8.6.12)
+
 ### Notice 15
 
 #### Publication date

versioned_docs/version-8.7/reference/notices.md

@@ -8,6 +8,30 @@ description: "Let's take a closer look at security notices, reporting vulnerabil
 
 Camunda publishes security notices after fixes are available.
 
+### Notice 16
+
+#### Publication date
+
+March 14th, 2025
+
+#### Product affected
+
+Camunda Zeebe
+
+#### Impact
+
+Some Camunda Zeebe versions were affected by a vulnerability that allowed a malicious attacker to craft network packets that could crash the gateway.
+
+#### How to determine if the installation is affected
+
+You are using Camunda Zeebe 8.6.0 - 8.6.11
+
+#### Solution
+
+Camunda has provided the following release which contains a fix:
+
+- [Camunda Zeebe 8.6.12](https://github.com/camunda/camunda/releases/tag/8.6.12)
+
 ### Notice 15
 
 #### Publication date