Bug 688627 - Validate declared type, subtype, and length parameters of PDF fonts.
Summary: Validate declared type, subtype, and length parameters of PDF fonts.
Status: RESOLVED WONTFIX
Alias: None
Product: Ghostscript
Classification: Unclassified
Component: PDF Interpreter (show other bugs)
Version: master
Hardware: All All
: P3 normal
Assignee: Alex Cherepanov
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2006-04-01 07:06 UTC by Alex Cherepanov
Modified: 2011-06-28 01:39 UTC (History)
1 user (show)

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Description Alex Cherepanov 2006-04-01 07:06:49 UTC 
The fix for the bug 688465 enables Ghostscript to interpret many kinds of
malformed font streams but reduces it's utility as a verification tool.

This bug records the requiriment to add the validation of
the declared type, subtype, and length parameters vs. actual values
in PDF font streams.
Comment 1 Alex Cherepanov 2011-06-28 01:39:45 UTC 
No gs user has ever complained that gs accepts some malformed PDF files.
Extra validation code will bring no benefits for most of gs users, but it
will slow the PDF interpreter down for everybody.