{"id":"UBUNTU-CVE-2026-21996","details":"An unprivileged attacker can reliably trigger a crash of the dtrace process with a malicious ELF binary due to an integer Divide-by-Zero in Pbuild_file_symtab()","modified":"2026-05-20T16:24:10.824700650Z","published":"2026-05-01T18:16:00Z","upstream":["CVE-2026-21996"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-21996"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-21996"},{"type":"REPORT","url":"https://linux.oracle.com/cve/CVE-2026-21996.html"}],"affected":[{"package":{"name":"dtrace","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/dtrace?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.5-1","2.0.6-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.6-1","binary_name":"dtrace"},{"binary_version":"2.0.6-1","binary_name":"dtrace-tests"},{"binary_name":"libdtrace2","binary_version":"2.0.6-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21996.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}