{"id":"UBUNTU-CVE-2021-27799","details":"ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.9.1 has a stack-based buffer overflow that is reachable from the C API through an application that includes the Zint Barcode Generator library code.","modified":"2026-05-20T16:04:51.435708744Z","published":"2021-02-26T22:15:00Z","upstream":["CVE-2021-27799"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-27799"},{"type":"REPORT","url":"https://sourceforge.net/p/zint/tickets/218/"},{"type":"REPORT","url":"https://sourceforge.net/p/zint/code/ci/7f8c8114f31c09a986597e0ba63a49f96150368a/"},{"type":"REPORT","url":"http://zint.org.uk/Manual.aspx?type=p&page=3"},{"type":"REPORT","url":"http://zint.org.uk/Manual.aspx?type=p&page=4"},{"type":"REPORT","url":"http://zint.org.uk/Manual.aspx?type=p&page=5"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-27799"}],"affected":[{"package":{"name":"zint","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/zint?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.1-1.1","2.10.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.10.0-1","binary_name":"libzint2.10"},{"binary_version":"2.10.0-1","binary_name":"zint"},{"binary_name":"zint-qt","binary_version":"2.10.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-27799.json"}},{"package":{"name":"zint","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/zint?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.0-1","2.13.0-1","2.13.0-1build2","2.13.0-1build3"],"ecosystem_specific":{"binaries":[{"binary_name":"libzint2.13","binary_version":"2.13.0-1build3"},{"binary_version":"2.13.0-1build3","binary_name":"zint"},{"binary_version":"2.13.0-1build3","binary_name":"zint-qt"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-27799.json"}},{"package":{"name":"zint","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/zint?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.13.0-1build3","2.15.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.15.0-1","binary_name":"libzint2.15"},{"binary_name":"zint","binary_version":"2.15.0-1"},{"binary_version":"2.15.0-1","binary_name":"zint-qt"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-27799.json"}},{"package":{"name":"zint","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/zint?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.15.0-1","2.15.0-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.15.0-1build1","binary_name":"libzint2.15"},{"binary_name":"zint","binary_version":"2.15.0-1build1"},{"binary_name":"zint-qt","binary_version":"2.15.0-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-27799.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}