{"id":"DEBIAN-CVE-2020-12135","details":"bson before 0.8 incorrectly uses int rather than size_t for many variables, parameters, and return values. In particular, the bson_ensure_space() parameter bytesNeeded could have an integer overflow via properly constructed bson input.","modified":"2026-09-01T16:04:21.449994014Z","published":"2020-04-24T01:15:11.430Z","upstream":["CVE-2020-12135"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2020-12135"}],"affected":[{"package":{"name":"duo-unix","ecosystem":"Debian:12","purl":"pkg:deb/debian/duo-unix?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.3-1","1.11.3-1.1","1.11.3-1.1~exp1","1.11.3-1.2"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12135.json"}},{"package":{"name":"duo-unix","ecosystem":"Debian:13","purl":"pkg:deb/debian/duo-unix?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.3-1.2"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12135.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}