CVE-2021-39247

Description

Zint Barcode Generator before 2.10.0 has a one-byte buffer over-read, related to is_last_single_ascii in code1.c, and rs_encode_uint in reedsol.c.

Affected Platforms

Weakness Type

CWE-125

References

• https://sourceforge.net/p/zint/code/ci/9b02cd52214e80f945bff41fc94bc1e17e15810c/
• https://sourceforge.net/p/zint/tickets/232/
• https://sourceforge.net/p/zint/code/ci/9b02cd52214e80f945bff41fc94bc1e17e15810c/
• https://sourceforge.net/p/zint/tickets/232/