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fix vncproxy on windows 2008 rfb proto parse bug

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Uint8 value range out of bounds causes problems in the parsing protocol
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wentianle 2018-08-10 01:42:52 +08:00 committed by GitHub
parent f19a75749b
commit a870f3cbb9
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1 changed files with 1 additions and 1 deletions
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encodings/enc-tight.go
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@ -142,7 +142,7 @@ func handleTightFilters(subencoding uint8, pixelFmt *common.PixelFormat, rect *c
return return
} }
paletteSize := colorCount + 1 // add one more paletteSize := int(colorCount) + 1 // add one more
logger.Debugf("handleTightFilters: ----PALETTE_FILTER: paletteSize=%d bytesPixel=%d\n", paletteSize, bytesPixel) logger.Debugf("handleTightFilters: ----PALETTE_FILTER: paletteSize=%d bytesPixel=%d\n", paletteSize, bytesPixel)
//complete palette //complete palette
_, err = r.ReadBytes(int(paletteSize) * bytesPixel) _, err = r.ReadBytes(int(paletteSize) * bytesPixel)