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This queue is for tickets about the Imager CPAN distribution.

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The Basics
Id: 69914
Status: resolved
Priority: 10/
Queue: Imager

Owner: Nobody in particular
Requestors: TONYC [...]

Bug Information
Severity: Critical
Broken in: 0.84
Fixed in: (no value)

Subject: Check tiff/exif parsing code for IFD loop handling
Date: Sun, 31 Jul 2011 13:06:41 +1000
To: bug-Imager [...]
From: tonyc [...]
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I suspect libtiff has a check for loops. IIRC, the jpeg exif code only looks at the first IFD, so it should be safe too. But it needs: a) a review b) tests
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Switched to TIFFReadDirectory() instead of TIFFSetDirectory() since that checks for loops. The EXIF code doesn't loop through IFDs.
Fixed in 0.85

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