Zint Barcode Generator prior 2.10.0 code1.c is_last_single_ascii buffer overflow

A vulnerability was found in Zint Barcode Generator. It has been classified as critical. This affects the function is_last_single_ascii of the file code1.c. Upgrading to version 2.10.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at sourceforge.net. The best possible mitigation is suggested to be upgrading to the latest version.

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