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        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
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<item>
            <title>[MCPE-16450] Raknet Packet length overflow on too large payload</title>
                <link>https://bugs.mojang.com/browse/MCPE-16450</link>
                <project id="10200" key="MCPE">Minecraft (Bedrock codebase)</project>
                    <description>&lt;p&gt;I had some problems with updating to 0.15.4. I saw random errors in my Proxy Software regarding the reading of Batched Packets. A dump of the RakNet output showed that you are overflowing the RakNet Packet length by the given unsinged short. &lt;/p&gt;

&lt;p&gt;This results in Packetlengths which are not correct for reading the data. For example: &lt;/p&gt;

&lt;p&gt;0x60 &lt;br/&gt;
0x0 0xf8  			// Data length 31&lt;br/&gt;
0x2 0x0 0x0&lt;br/&gt;
0x1 0x0 0x0 &lt;br/&gt;
0x0 &lt;br/&gt;
0xfe 0x6 			// MCPE Batch packet&lt;br/&gt;
0x0 0x0 0x20 0x19 	// 8217 bytes compressed payload&lt;br/&gt;
0x78 0xda 0x1d 0x97 0x79 0x3c 0x54 0xed 0xfb 0xc7 0x4b 0xf5 .... (in total 8217 bytes)&lt;/p&gt;

&lt;p&gt;This is logical since 8223 * 8 is 65784 which overflows the unsigned short by 249. If you receive the Packet correctly you see 249 / 8 = 31 bytes as packet length coming out of raknet.&lt;/p&gt;</description>
            <key id="147384">MCPE-16450</key>
            <summary>Raknet Packet length overflow on too large payload</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="5">Cannot Reproduce</resolution>
                                            <reporter username="geNAZt">Fabian Fa&#223;bender</reporter>
                        <labels>
                            <label>multiplayer</label>
                            <label>raknet</label>
                            <label>server</label>
                    </labels>
                <created>Thu, 4 Aug 2016 17:35:16 +0200</created>
                <updated>Wed, 3 Jan 2018 15:47:50 +0100</updated>
                            <resolved>Wed, 3 Jan 2018 15:46:09 +0100</resolved>
                                    <version>0.15.4</version>
                                                                        <votes>2</votes>
                                    <watches>3</watches>
                                                                            <comments>
                            <comment id="426343" author="mega_spud" created="Wed, 3 Jan 2018 15:46:09 +0100"  >&lt;p&gt;This ticket has been resolved as &apos;Cannot Reproduce&apos; as it has no response was received recently.&lt;/p&gt;</comment>
                            <comment id="344051" author="aman4700" created="Fri, 18 Nov 2016 05:34:11 +0100"  >&lt;p&gt;This is a bulk resolve of issues that haven&apos;t been updated to 0.16.0+ yet. Please comment below (To open the ticket) and update your affected versions. If you cannot reproduce the bug, please write in the comments so we can resolve it as &quot;Cannot Reproduce&quot;. Thank You!&lt;/p&gt;</comment>
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