PYSEC-2026-576
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/zbar/PYSEC-2026-576.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-576
- Aliases
- Published
- 2026-06-29T11:50:44.123752Z
- Modified
- 2026-07-01T20:23:12.100943Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- Heap-based buffer overflow in ZBar
- Details
-
A heap-based buffer overflow exists in the qrreadermatch_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
-
- https://nvd.nist.gov/vuln/detail/CVE-2023-40889
- https://github.com/mchehab/zbar
- https://hackmd.io/@cspl/B1ZkFZv23
- https://lists.debian.org/debian-lts-announce/2023/12/msg00001.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25LZZQJGGZRPLKTRNRNOTAFQJIPS7WRP
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665
- https://pypi.org/project/zbar
- https://github.com/advisories/GHSA-mhp6-jvpx-2p4m
Affected packages
PyPI / zbar
Package
- Name
- zbar
- View open source insights on deps.dev
- Purl
- pkg:pypi/zbar