[Pkg-privacy-maintainers] Bug#826101: mat doesn't remove metadata in embedded images in PDFs

Holger Levsen holger at layer-acht.org
Thu Jun 2 08:56:53 UTC 2016

package: mat
severity: important
tags: security upstream
forwarded: https://labs.riseup.net/code/issues/11067


explains how mat fails to do what it's supposed to do, namely removing
embedded meta data.

I havent't verifed this myself, but appearantly it doesnt remove
metadata from images embedded in PDFs.

So basically the core feature of mat is partly broken :/

I wonder if similar bugs happen with other recursive formats, like an
OpenDocument text embedding an image or embedding a pdf embedding an
image or a zip file containing a zip file containing a .odt file
containing an pdf containing an image…

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