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openSUSE:Backports:SLE-15-SP3:Update
LibVNCServer
LibVNCServer-CVE-2020-25708.patch
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File LibVNCServer-CVE-2020-25708.patch of Package LibVNCServer
diff --git a/libvncserver/rfbserver.c b/libvncserver/rfbserver.c index 269a0137..9cc29c52 100644 --- a/libvncserver/rfbserver.c +++ b/libvncserver/rfbserver.c @@ -3369,6 +3369,9 @@ rfbSendRectEncodingRaw(rfbClientPtr cl, char *fbptr = (cl->scaledScreen->frameBuffer + (cl->scaledScreen->paddedWidthInBytes * y) + (x * (cl->scaledScreen->bitsPerPixel / 8))); + if(!h || !w) + return TRUE; /* nothing to send */ + /* Flush the buffer to guarantee correct alignment for translateFn(). */ if (cl->ublen > 0) { if (!rfbSendUpdateBuf(cl))
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