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Bug #18405 exif_read_data() timeouts, reading tiff headers.
Submitted: 2002-07-18 04:57 UTC Modified: 2005-02-01 23:00 UTC
Avg. Score:5.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: johan at 6thgear dot se Assigned: helly (profile)
Status: Closed Package: EXIF related
PHP Version: 4CVS-2002-07-18 OS: Win XP; Windows NT localhost 5.1
Private report: No CVE-ID: None
 [2002-07-18 04:57 UTC] johan at 6thgear dot se
exif_read_data() timeouts, reading tiff headers, when files are saved with Adobe Photoshop 7.0 (MAC OSX). JPEG headers are fine.

Server System:
SERVER_SOFTWARE: Apache/1.3.26 (Win32) PHP/4.3.0-dev 
Build Date: Jul 16 2002 12:10:27

System: Windows NT localhost 5.1 build 2600

EXIF Version: 1.4 $Id: exif.c,v 1.99 2002/07/02 22:38:37 helly Exp $


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 [2002-07-18 08:49 UTC] johan at 6thgear dot se
Resulting in two warnings:
1. read_exif_data(): Error in TIFF: Illegal format, suppose bytes

2. read_exif_data(): Illegal format code in IFD: 0x000D
 [2002-07-20 10:58 UTC]
Need an image that caused the error.
 [2002-07-21 06:51 UTC] johan at 6thgear dot se
U've got it =) cheers.
 [2002-07-22 15:32 UTC]
This bug has been fixed in CVS. You can grab a snapshot of the
CVS version at In case this was a documentation 
problem, the fix will show up soon at
In case this was a website problem, the change will show
up on the site and on the mirror sites.
Thank you for the report, and for helping us make PHP better.

Thanks for the images :-)
Timeout was fixed by changing array of (s)byte conversions
to stringl.
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