forked from mirrors/nixpkgs
2482f8b8dc
Security fixes for: * CVE-2019-8287 * CVE-2019-15678 * CVE-2019-15679 * CVE-2019-15680 mostly adapted from patches fixing similar issues in the actively maintained libvnc (#73970)
17 lines
513 B
Diff
17 lines
513 B
Diff
diff --git a/vncviewer/zlib.c b/vncviewer/zlib.c
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index 80c4eee..76998d8 100644
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--- a/vncviewer/zlib.c
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+++ b/vncviewer/zlib.c
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@@ -55,6 +55,11 @@ HandleZlibBPP (int rx, int ry, int rw, int rh)
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raw_buffer_size = (( rw * rh ) * ( BPP / 8 ));
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raw_buffer = (char*) malloc( raw_buffer_size );
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+ if ( raw_buffer == NULL ) {
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+ fprintf(stderr,
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+ "couldn't allocate raw_buffer in HandleZlibBPP");
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+ return False;
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+ }
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}
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if (!ReadFromRFBServer((char *)&hdr, sz_rfbZlibHeader))
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