CVE-2023-40889
CRITICALZBar 0.23.90 - Heap-Based Buffer Overflow in QR Code Reader
Title source: llmDescription
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.
References (5)
Core 5
Core References
Various Sources
https://hackmd.io/%40cspl/B1ZkFZv23
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665/
Mailing List mailing-list
https://lists.debian.org/debian-lts-announce/2023/12/msg00001.html
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25LZZQJGGZRPLKTRNRNOTAFQJIPS7WRP/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665/
Scores
CVSS v3
9.8
EPSS
0.0154
EPSS Percentile
71.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (2)
pypi/zbar
0PyPI
zbar_project/zbar
0.23.90
Published
Aug 29, 2023
Tracked Since
Feb 18, 2026