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.
Published: 2023-08-29
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3675-1 zbar security update
Debian DSA Debian DSA DSA-5614-1 zbar security update
Github GHSA Github GHSA GHSA-mhp6-jvpx-2p4m Heap-based buffer overflow in ZBar
Ubuntu USN Ubuntu USN USN-7118-1 ZBar vulnerabilities
History

Subscriptions

Zbar Project Zbar
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-04T18:16:43.280Z

Reserved: 2023-08-22T00:00:00.000Z

Link: CVE-2023-40889

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-08-29T17:15:12.840

Modified: 2025-11-04T19:15:56.193

Link: CVE-2023-40889

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses