CVEvulnerability
CVE-2021-27799
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-02-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-787
Description
ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.9.1 has a stack-based buffer overflow that is reachable from the C API through an application that includes the Zint Barcode Generator library code.
Affected configurations
• zint barcode generator 2.9.1
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://zint.org.uk/Manual.aspx?type=p&page=3 Vendor Advisory
- http://zint.org.uk/Manual.aspx?type=p&page=4 Vendor Advisory
- http://zint.org.uk/Manual.aspx?type=p&page=5 Vendor Advisory
- https://sourceforge.net/p/zint/code/ci/7f8c8114f31c09a986597e0ba63a49f96150368a/ Patch, Third Party Advisory
- https://sourceforge.net/p/zint/tickets/218/ Exploit, Third Party Advisory
- http://zint.org.uk/Manual.aspx?type=p&page=3 Vendor Advisory
- http://zint.org.uk/Manual.aspx?type=p&page=4 Vendor Advisory
- http://zint.org.uk/Manual.aspx?type=p&page=5 Vendor Advisory
- https://sourceforge.net/p/zint/code/ci/7f8c8114f31c09a986597e0ba63a49f96150368a/ Patch, Third Party Advisory
- https://sourceforge.net/p/zint/tickets/218/ Exploit, Third Party Advisory