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Wrangling Untrusted File Formats Safely
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PNG decoder should be able to read out eXIf #59

Closed pjanx closed 2 years ago

pjanx commented 2 years ago

https://ftp-osl.osuosl.org/pub/libpng/documents/pngext-1.5.0.html#C.eXIf

I've found all of 25 such images amongst thousands, but they exist.

nigeltao commented 2 years ago

Can you upload or link to an example PNG-with-EXIF file?

nigeltao commented 2 years ago

(Note to self). See also: https://github.com/w3c/PNG-spec/issues/28

pjanx commented 2 years ago

Of course, here you are! https://derpicdn.net/img/view/2020/10/3/2458529.png