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Rce Fix 2

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x86 2026-03-08 13:08:28 +13:00 committed by GitHub
parent 126d08a6f8
commit 5d63f83286
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GPG key ID: B5690EEEBB952194
1 changed files with 21 additions and 2 deletions
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23
Minecraft.World/TextureAndGeometryPacket.cpp
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@ -121,7 +121,17 @@ void TextureAndGeometryPacket::read(DataInputStream *dis) //throws IOException
{
textureName = dis->readUTF();
dwSkinID = (DWORD)dis->readInt();
dwTextureBytes = (DWORD)dis->readShort();
short rawTextureBytes = dis->readShort();
if(rawTextureBytes <= 0)
{
dwTextureBytes = 0;
}
else
{
dwTextureBytes = (DWORD)(unsigned short)rawTextureBytes;
if(dwTextureBytes > 65536) dwTextureBytes = 0;
}
if(dwTextureBytes>0)
{
@ -134,7 +144,16 @@ void TextureAndGeometryPacket::read(DataInputStream *dis) //throws IOException
}
uiAnimOverrideBitmask = dis->readInt();
dwBoxC = (DWORD)dis->readShort();
short rawBoxC = dis->readShort();
if(rawBoxC <= 0)
{
dwBoxC = 0;
}
else
{
dwBoxC = (DWORD)(unsigned short)rawBoxC;
if(dwBoxC > 256) dwBoxC = 0; // sane limit for skin boxes
}
if(dwBoxC>0)
{