Vulnerabilities > CVE-2021-27799 - Out-of-bounds Write vulnerability in Zint Barcode Generator 2.9.1

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
zint
CWE-787

Summary

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.

Vulnerable Configurations

Part Description Count
Application
Zint
1

Common Weakness Enumeration (CWE)