CVE-2021-39247
6.5 MEDIUMZint 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 r...
Published: 2021-08-17 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 6.5 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CWE
- CWE-125
Affected products
| Vendor | Product |
|---|---|
| zint | barcode_generator |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39247
- [Patch]https://sourceforge.net/p/zint/code/ci/9b02cd52214e80f945bff41fc94bc1e17e15810c/
- [Patch]https://sourceforge.net/p/zint/tickets/232/
- [Patch]https://sourceforge.net/p/zint/code/ci/9b02cd52214e80f945bff41fc94bc1e17e15810c/
- [Patch]https://sourceforge.net/p/zint/tickets/232/
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