CVE-2021-39247

CVE-2021-39247 affects Zint Barcode Generator prior to 2.10.0. The root cause is a one-byte buffer over-read in is_last_single_ascii (code1.c) and rs_encode_uint (reedsol.c). Public details consistently describe this as a buffer over-read without broader context; CVSS metrics from NVD indicate a ...