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    <item>
      <title>GHSA-4g8c-wm8x-jfhw — SslHandler doesn't correctly validate packets which can lead to native crash when using native SSLEngine</title>
      <link>https://db.gcve.eu/vuln/ghsa-4g8c-wm8x-jfhw</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Maven: io.netty:netty-handler&lt;/p&gt;
&lt;p&gt;### Impact
When a special crafted packet is received via SslHandler it doesn&amp;#39;t correctly handle validation of such a packet in all cases which can lead to a native crash.&lt;/p&gt;
&lt;p&gt;### Workarounds
As workaround its possible to either disable the usage of the native SSLEngine or changing the code from:&lt;/p&gt;
&lt;p&gt;```
SslContext context = ...;
SslHandler handler = context.newHandler(....);
```&lt;/p&gt;
&lt;p&gt;to:&lt;/p&gt;
&lt;p&gt;```
SslContext context = ...;
SSLEngine engine = context.newEngine(....);
SslHandler handler = new SslHandler(engine, ....);
```&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Maven: io.netty:netty-handler&lt;/p&gt;
&lt;p&gt;### Impact
When a special crafted packet is received via SslHandler it doesn&amp;#39;t correctly handle validation of such a packet in all cases which can lead to a native crash.&lt;/p&gt;
&lt;p&gt;### Workarounds
As workaround its possible to either disable the usage of the native SSLEngine or changing the code from:&lt;/p&gt;
&lt;p&gt;```
SslContext context = ...;
SslHandler handler = context.newHandler(....);
```&lt;/p&gt;
&lt;p&gt;to:&lt;/p&gt;
&lt;p&gt;```
SslContext context = ...;
SSLEngine engine = context.newEngine(....);
SslHandler handler = new SslHandler(engine, ....);
```&lt;/p&gt;</content:encoded>
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