CVE-2023-40890
- State
- Published
- Severity
- 9.8 Critical
- Published
- Aug 29, 2023
- Updated
- Nov 4, 2025
- Reserved
- Aug 22, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://hackmd.io/%40cspl/H1PxPAUnn
- [debian-lts-announce] 20231201 [SECURITY] [DLA 3675-1] zbar security updatemailing-list
- FEDORA-2024-583e4098b9vendor-advisory
- FEDORA-2024-73d5220ed3vendor-advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665/
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