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Bug #77142 exif_read_data
Submitted: 2018-11-12 18:06 UTC Modified: 2019-03-25 08:21 UTC
Avg. Score:4.6 ± 0.5
Reproduced:9 of 9 (100.0%)
Same Version:3 (33.3%)
Same OS:5 (55.6%)
From: alerinpoland at gmail dot com Assigned:
Status: Open Package: EXIF related
PHP Version: 7.2.12 OS: Ubuntu
Private report: No CVE-ID: None
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From: alerinpoland at gmail dot com
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 [2018-11-12 18:06 UTC] alerinpoland at gmail dot com
There is a problem with the exif_read_data function with photos from huwaei p20.
GPS location does not work
Warning: exif_read_data (IMG_20181112_151619.jpg): Process tag (x010D = DocumentNam): Illegal components (0) in /home/www/test.php on line 11

Test script:
exif_read_data('IMG_20181112_151619.jpg', 'EXIF', true);


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 [2018-11-12 18:12 UTC] alerinpoland at gmail dot com
 [2018-11-12 18:27 UTC]
-Package: Unknown/Other Function +Package: EXIF related
 [2018-11-20 08:39 UTC] gunnar dot sakariassen at impreso dot no
I have the same problem. Seems that the EXIF array from the image taken with Huawei model RNE-L21 breaks or gets corrupted. No GPS data is present. I can see the location of the image in windows, so I know it is there. Works with Samsung images on same script. Error: Process tag (x010D = DocumentNam): Illegal components (0)
 [2018-12-23 08:35 UTC] tedferenc at hotmail dot com
Fails on Linux PHP version 7.2.11 and 7.2.10. On 7.2.10 exif_read_data gives this error "corrupt EXIF header: maximum directory nesting level reached" on 7.2.11 that error does not exist but still no GPS data, exiftool does display it camera is Panasonic DMC-TZ70
 [2018-12-26 08:03 UTC] tedferenc at hotmail dot com
Also fails on Linux 7.2.13
 [2019-01-16 10:34 UTC] server at masa10 dot info
I also faced the same problem.
As a result of examining this bug, I found out that there is a problem with Exif of the Huawei product.
The problem lies in the datatype of the Document Name field of Exif.
Whereas Exif standard requires ASCII type, Huawei product writes with UNDEFINED type, so an error occurs.
Therefore, we forcibly change the data type of DocumentName item from ASCII to UNDEFINED with Exif data editing software.
By doing so, even PHP7.2/7.3 can successfully read Exif of Huawei product.
This issue has already been reported to Huawei.
 [2019-03-24 19:01 UTC]
-Status: Open +Status: Feedback
 [2019-03-24 19:01 UTC]
Could you please re-upload the file somewhere?
 [2019-03-25 08:21 UTC]
-Status: Feedback +Status: Open
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