{"id":"UBUNTU-CVE-2019-19648","details":"In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution.","modified":"2026-04-22T12:16:11.657740Z","published":"2019-12-09T01:15:00Z","related":["USN-8080-1"],"upstream":["CVE-2019-19648"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-19648"},{"type":"REPORT","url":"https://github.com/VirusTotal/yara/issues/1178"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-19648"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8080-1"}],"affected":[{"package":{"name":"yara","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/yara@3.9.0-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.0-1ubuntu0.1~esm1"}]}],"versions":["3.9.0-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libyara3","binary_version":"3.9.0-1ubuntu0.1~esm1"},{"binary_name":"yara","binary_version":"3.9.0-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-19648.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:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}