| Xpdf, as used in products such as gpdf, kpdf, pdftohtml, poppler,
teTeX, CUPS, libextractor, and others, allows attackers to cause a
denial of service (infinite loop) via streams that end prematurely, as
demonstrated using the (1) CCITTFaxDecode and (2) DCTDecode streams,
aka "Infinite CPU spins."
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