CVE-2023-40890

2023-08-2900:00:00

mitre

www.cve.org

buffer overflow

zbar

qr code

information disclosure

code execution

vulnerability

scanner

AI Score

9.8

Confidence

High

EPSS

0.003

Percentile

69.3%

JSON

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.