Image upload warning problem with php7.3

nisamudeen97

• January 11, 2021 07:24

Hi, One of image app processing is not working as expected, we could see the below warning message in apache log while processing it. Mod_security rule is turned off, no disable_function for php. Centos 7 64bit OS with WHM [cgi:error] AH01215: libpng warning: Interlace handling should be turned on when using png_read_image: /usr/local/cpanel/cgi-sys/ea-php73, Any possible options to fix it?

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  cPRex Jurassic Moderator

  • January 11, 2021 15:40

  Hey there! Is it possible the version of libpng is too old to work well with your application? You can run the following command on your machine to check this: rpm -qa | grep libpng
  as the name of the package installed will also be the version number. For example, I checked a CloudLinux 6 machine just now and found this: # rpm -qa | grep png libpng-1.2.49-2.el6_7.x86_64 libpng-devel-1.2.49-2.el6_7.x86_
  

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  nisamudeen97

  • January 11, 2021 17:16

  Hi, I have checked it below are the package details and its version. [root@~]# rpm -qa | grep libpng libpng-1.5.13-8.el7.x86_64 libpng-devel-1.5.13-8.el7.x86_64
  

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  kodeslogic

  • January 11, 2021 18:18

  Do you see any more errors in the logs file other than what you reported, when an app tries to process the image?

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  cPRex Jurassic Moderator

  • January 11, 2021 18:41

  Thanks for that information. The output wouldn't necessarily mean anything to *me* but you could use that to check the requirements for the tool you are using for those images and see what is compatible. As @kodeslogic mentioned, any other errors around that time in the logs might be helpful as well. If you can watch the Apache logs at /etc/apache2/logs/error_log, or if you can open cPanel >> Errors while performing that work on the site, that may give you more detail on the issue.

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