CVE-2023-40890

CRITICAL Year: 2023
CVSS v3 Score
9.8
Critical
Weakness Type
CWE-787
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Vulnerability Description

A stack-based buffer overflow vulnerability exists in the lookup_sequence function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically scanned by the vulnerable scanner.

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