{"id":"UBUNTU-CVE-2020-24241","details":"In Netwide Assembler (NASM) 2.15rc10, there is heap use-after-free in saa_wbytes in nasmlib/saa.c.","modified":"2025-10-24T04:48:40Z","published":"2020-08-25T14:15:00Z","upstream":["CVE-2020-24241"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-24241"},{"type":"REPORT","url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392707"},{"type":"REPORT","url":"https://github.com/netwide-assembler/nasm/commit/6ac6ac57e3d01ea8ed4ea47706eb724b59176461"},{"type":"REPORT","url":"https://github.com/netwide-assembler/nasm/commit/78df8828a0a5d8e2d8ff3dced562bf1778ce2e6c"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-24241"}],"affected":[{"package":{"name":"nasm","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/nasm@2.11.08-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.06-1really2.11.05-1","2.11.08-1","2.11.08-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"nasm","binary_version":"2.11.08-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24241.json"}},{"package":{"name":"nasm","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/nasm@2.13.02-0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.13.01-2","2.13.02-0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"nasm","binary_version":"2.13.02-0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24241.json"}},{"package":{"name":"nasm","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/nasm@2.14.02-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14.02-1"],"ecosystem_specific":{"binaries":[{"binary_name":"nasm","binary_version":"2.14.02-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24241.json"}}],"schema_version":"1.7.3","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"}]}