[gs-bugs] [Bug 692571] crash with Ghostscript 9.04 on Windows XP

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=692571

--- Comment #10 from Alex Cherepanov <alex.cherepanov at artifex.com> 2011-10-09 05:55:36 UTC ---
Fix out-of-buffer access in Luratech jb2 interface.

Luratech jb2 library can required data outside of the input buffer
if it is fed a corrupted data stream. The old code tried to detect
this but failed because of the missed signed-to-unsigned promotion.

See:
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=f790680acba5c1574728d5ff40124f9e27762d2a

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