Bug #73159 [Asn->Csd]: imagegd2(): unrecognized formats may result in corrupted files

Edit report at https://bugs.php.net/bug.php?id=73159&edit=1 ID: 73159 Updated by: cmb@php.net Reported by: cmb@php.net Summary: imagegd2(): unrecognized formats may result in corrupted files -Status: Assigned +Status: Closed Type: Bug Package: GD related Operating System: * PHP Version: 5.6Git-2016-09-24 (Git) Assigned To: cmb Block user comment: N Private report: N New Comment: Automatic comment on behalf of cmbecker69@gmx.de Revision: http://git.php.net/?p=php-src.git;a=commit;h=709731797c55b373329201e9d3c9221303d7faa2 Log: Fix #73159: imagegd2(): unrecognized formats may result in corrupted files Previous Comments: ------------------------------------------------------------------------ [2016-09-24 09:18:59] cmb@php.net Description: ------------ The code to write GD2 images checks for unrecognized fmts and adjusts them to reasonable values. However, for truecolor images the then correct value would be further increased by 2, resulting in an incorrect format being written to the file header. This has been reported against libgd as <https://github.com/libgd/libgd/issues/289>, but affects PHP's bundled libgd as well. ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=73159&edit=1