In short
- CVE-2023-40889 is a CRITICAL (CVSS 9.8) vulnerability affecting zbar, zbar (zbar project).
- Chance of exploitation in the next 30 days (EPSS): 1.7%, higher than 77.9% of all vulnerabilities.
- No patched version is listed yet: follow the vendor's advisory in References.
| Package | Affected versions | Patched versions |
|---|
| zbar PyPI | ≤ 0.23.90
| No fix yet |
| zbar | = 0.23.90
| No fix yet |
Description
A heap-based buffer overflow exists in the qr_reader_match_centers 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.
NVD description
A heap-based buffer overflow exists in the qr_reader_match_centers 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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