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14 lines
635 B
14 lines
635 B
Adapted from https://github.com/LibVNC/libvncserver/commit/7b1ef0ffc4815cab9a96c7278394152bdc89dc4d
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diff --git a/vncviewer/corre.c b/vncviewer/corre.c
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index c846a10..a4c272d 100644
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--- a/vncviewer/corre.c
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+++ b/vncviewer/corre.c
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@@ -56,7 +56,7 @@ HandleCoRREBPP (int rx, int ry, int rw, int rh)
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XChangeGC(dpy, gc, GCForeground, &gcv);
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XFillRectangle(dpy, desktopWin, gc, rx, ry, rw, rh);
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- if (!ReadFromRFBServer(buffer, hdr.nSubrects * (4 + (BPP / 8))))
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+ if (hdr.nSubrects > BUFFER_SIZE / (4 + (BPP / 8)) || !ReadFromRFBServer(buffer, hdr.nSubrects * (4 + (BPP / 8))))
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return False;
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ptr = (CARD8 *)buffer;
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