{"id":"UBUNTU-CVE-2021-33450","details":"An issue was discovered in NASM version 2.16rc0. There are memory leaks in nasm_calloc() in nasmlib/alloc.c.","modified":"2026-05-11T10:44:15.653599772Z","published":"2022-07-26T13:15:00Z","related":["USN-8248-1","USN-8248-2"],"upstream":["CVE-2021-33450"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33450"},{"type":"REPORT","url":"https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d"},{"type":"REPORT","url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392758"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-33450"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8248-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8248-2"}],"affected":[{"package":{"name":"nasm","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/nasm@2.16.01-1ubuntu0.1~esm2?arch=source&distro=esm-apps/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.16.01-1","2.16.01-1build1","2.16.01-1ubuntu0.1~esm1","2.16.01-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"nasm","binary_version":"2.16.01-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33450.json"}},{"package":{"name":"nasm","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/nasm@2.16.03-1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.16.03-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.16.03-1","binary_name":"nasm"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33450.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}