Zint Barcode Generator vulnerabilities

• zint barcode generator Zint Barcode Generator before 2.10.0 has a one-byte buffer over-read, related to... CVE-2021-39247 6.5 MediumAugust 17, 2021
• zint barcode generator ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.19.1 has a stack-based buffer... CVE-2021-27799 Fix available 7.5 HighFebruary 26, 2021