{"id":"UBUNTU-CVE-2023-49554","details":"Use After Free vulnerability in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the do_directive function in the modules/preprocs/nasm/nasm-pp.c component.","modified":"2026-01-20T17:56:26.378669Z","published":"2024-01-03T00:15:00Z","upstream":["CVE-2023-49554"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-49554"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-49554"}],"affected":[{"package":{"name":"yasm","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/yasm@1.3.0-2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.0-2","binary_name":"yasm"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-49554.json"}},{"package":{"name":"yasm","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/yasm@1.3.0-2build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-2","1.3.0-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.0-2build1","binary_name":"yasm"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-49554.json"}},{"package":{"name":"yasm","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/yasm@1.3.0-2ubuntu1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-2build1","1.3.0-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.0-2ubuntu1","binary_name":"yasm"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-49554.json"}},{"package":{"name":"yasm","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/yasm@1.3.0-2.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-2.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.0-2.1","binary_name":"yasm"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-49554.json"}},{"package":{"name":"yasm","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/yasm@1.3.0-4?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.0-4","binary_name":"yasm"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-49554.json"}},{"package":{"name":"yasm","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/yasm@1.3.0-7?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-5","1.3.0-7"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.0-7","binary_name":"yasm"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-49554.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":"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"}]}