Critical severity9.8NVD Advisory· Published Aug 29, 2023· Updated Jun 17, 2026
CVE-2023-40890
CVE-2023-40890
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- ZBar/ZBardescription
- cpe:2.3:a:zbar_project:zbar:0.23.90:*:*:*:*:*:*:*
- osv-coords6 versionspkg:rpm/suse/zbar&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP5pkg:rpm/suse/zbar&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP4pkg:rpm/opensuse/zbar&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/zbar&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/zbar&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP5pkg:rpm/opensuse/zbar&distro=openSUSE%20Tumbleweed
< 0.23.1-150300.3.3.1+ 5 more
- (no CPE)range: < 0.23.1-150300.3.3.1
- (no CPE)range: < 0.23.1-150300.3.3.1
- (no CPE)range: < 0.23.1-150300.3.3.1
- (no CPE)range: < 0.23.1-150300.3.3.1
- (no CPE)range: < 0.23.1-150300.3.3.1
- (no CPE)range: < 0.23.90-5.1
Patches
Vulnerability mechanics
References
5- hackmd.io/%40cspl/H1PxPAUnnnvd
- lists.debian.org/debian-lts-announce/2023/12/msg00001.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25LZZQJGGZRPLKTRNRNOTAFQJIPS7WRP/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665/nvd
- lists.fedoraproject.org/archives/list/[email protected]/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665/nvd
News mentions
0No linked articles in our index yet.