{"id":"UBUNTU-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":"2026-04-27T16:15:36.633758Z","published":"2020-04-24T01:15:00Z","related":["USN-4450-1"],"upstream":["CVE-2020-12135"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12135"},{"type":"REPORT","url":"https://github.com/10gen-archive/mongo-c-driver-legacy/commit/1a1f5e26a4309480d88598913f9eebf9e9cba8ca#diff-f7d29a680148f52d6601f59ed787f577"},{"type":"REPORT","url":"https://launchpadlibrarian.net/474887364/bson-fix-overflow.patch"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4450-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-12135"}],"affected":[{"package":{"name":"whoopsie","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/whoopsie@0.2.52.5ubuntu0.5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.52.5ubuntu0.5"}]}],"versions":["0.2.49","0.2.50","0.2.51","0.2.52","0.2.52.1","0.2.52.2","0.2.52.3","0.2.52.4","0.2.52.5","0.2.52.5ubuntu0.1","0.2.52.5ubuntu0.2","0.2.52.5ubuntu0.3","0.2.52.5ubuntu0.4"],"ecosystem_specific":{"availability":"No 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