Buffer overflow in Zbar Project
CVE-2023-40889
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.
Vulnerability class: Buffer Overflow
EPSS: 0.015 (72.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Zbar_project Zbar — versions 0.23.90
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org
- cve@mitre.org (mailing-list)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-40889?
- CVE-2023-40889 is a critical-severity vulnerability in Zbar Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-08-29.
- How severe is CVE-2023-40889?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-40889 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.