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

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Remediation

No vendor fix or workaround currently provided.

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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
EUVD EUVD EUVD-2023-45429 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.
Ubuntu USN Ubuntu USN USN-7118-1 ZBar vulnerabilities
History

Tue, 04 Nov 2025 19:30:00 +0000

Type Values Removed Values Added
References

Tue, 01 Jul 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Subscriptions

Zbar Project Zbar
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-04T18:16:44.621Z

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

Link: CVE-2023-40890

cve-icon Vulnrichment

Updated: 2024-08-02T18:46:11.207Z

cve-icon NVD

Status : Modified

Published: 2023-08-29T17:15:12.917

Modified: 2025-11-04T19:15:56.343

Link: CVE-2023-40890

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses