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I think you conflating bugs. Apple doesn't use Xpdf as the basis of the PDF Framework. The NSO bug exploited a bug in the JBIG2 file format. The same implementa

I think you conflating bugs. Apple doesn't use Xpdf as the basis of the PDF Framework. The NSO bug exploited a bug in the JBIG2 file format. The same implementation of this code was included in both Xpdf and the Apple PDF code. That is why Xpdf needed to also fix the same code.

rfoo 2y ago
Of course I mean the fact they use the JBIG2 part of Xpdf. You don't have to use Xpdf for processing PDF in order to use these `class JBIG2*` and you don't even need to patch it.