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Add more range checking for streams.

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Michael R Sweet 2025-04-24 13:17:31 -04:00
parent d1bf9a92dc
commit 5b08046ece
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1 changed files with 2 additions and 2 deletions
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4
pdfio-stream.c
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@ -270,7 +270,7 @@ _pdfioStreamCreate(
{ {
columns = 1; columns = 1;
} }
else if (columns < 0) else if (columns < 0 || columns > 65536)
{ {
_pdfioFileError(st->pdf, "Unsupported Columns value %d.", columns); _pdfioFileError(st->pdf, "Unsupported Columns value %d.", columns);
free(st); free(st);
@ -542,7 +542,7 @@ _pdfioStreamOpen(pdfio_obj_t *obj, // I - Object
{ {
columns = 1; columns = 1;
} }
else if (columns < 0) else if (columns < 0 || columns > 65536)
{ {
_pdfioFileError(st->pdf, "Unsupported Columns value %d.", columns); _pdfioFileError(st->pdf, "Unsupported Columns value %d.", columns);
goto error; goto error;