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by masklinn 2292 days ago
PDF derives from PostScript which is a full-blown programming language so it's an "original sin" either way.

Then over time Adobe added a number of interactive (forms), multimedia and rich media (embedded JS) features, leading to even more vectors.
1 comments
gpvos 2292 days ago
The page description language part of PDF is based on Postscript, but explicitly simplified to be non-Turing-complete and safe (if implemented sanely). The later additions are the main culprit I think.
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Piskvorrr 2291 days ago
"if implemented sanely" - oh well. The original idea was nice.
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