Source: libjpeg6b
Version: 6b-16.1
Severity: normal

Hi,

Ghostscript currently[1] use a local copy of libjpeg.  This is explained
in the following snippet from its documentation:

> we have also provided the ability to [link against system library]
> with the JPEG library (SHARE_JPEG), but should not use it: in order to
> be compatible with Adobe interpreters (which do not follow the JPEG
> standard exactly), Ghostscript has to compile the IJG code with the
> non-standard definition
> 
>   #define D_MAX_BLOCKS_IN_MCU 64
> 
> and since shared versions of this library will not have been compiled
> this way, you will get errors on some valid PostScript and PDF input
> files.

For security reasons I would prefer that the Debian packaging of
Ghostscript could link against the shared libjpeg library, which brings
me to this request:

Please provide a variant of libjpeg with above definition declared, so
that Ghostscript (and perhaps other projects as well?) can use the
shared code while still staying compatible with non-standard Adobe
Postscript files.


Kind regards,

 - Jonas

Ghostscript package maintainer



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