CVE-2023-40890
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductZbar
PublishedAug 29, 2023
First seenAug 29, 2023
Weakness typeCWE-787Out-of-bounds write
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zbar_project zbar | 0.23.90 | — |
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