{"id":"CVE-2026-21996","aliases":["DEBIAN-CVE-2026-21996","EUVD-2026-26700","GHSA-w2v2-5qjc-q2jw","UBUNTU-CVE-2026-21996"],"status":"published","title":"An unprivileged attacker can reliably trigger a crash of the dtrace process with a malicious ELF...","description":"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()","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0011,"percentile":0.0129,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-369"],"published":"2026-05-01T17:51:18Z","modified":"2026-10-27T09:47:40Z","fixes":[{"ecosystem":"Debian:14","package":"dtrace","fixed_in":["2.0.7-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:14","package":"dtrace","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.7-1"}]}],"versions":["2.0.5-1","2.0.6-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"dtrace","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.6-1","2.0.7-1","2.0.7-2","2.0.7-3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"dtrace","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.5-1","2.0.6-1"]}],"products":[{"vendor":"oracle","product":"linux"},{"vendor":"oracle corporation","product":"oracle linux"}],"references":[{"url":"https://linux.oracle.com/cve/CVE-2026-21996.html","tags":["vendor-advisory","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21996"},{"url":"https://github.com/advisories/GHSA-w2v2-5qjc-q2jw"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-21996","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-21996","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-21996","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-21996","description":"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()","status":"published","published":"2026-05-01T17:51:18.73Z","modified":"2026-05-01T18:15:49.109Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-26700","description":"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()","status":"published","published":"2026-05-01T17:51:18Z","modified":"2026-05-01T18:15:49Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T19:05:18.340967Z"}],"ghsa":[{"id":"GHSA-w2v2-5qjc-q2jw","title":"An unprivileged attacker can reliably trigger a crash of the dtrace process with a malicious ELF...","description":"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()","status":"published","published":"2026-05-01T18:31:25Z","modified":"2026-05-01T21:31:20Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T15:07:52.84276Z"}],"nvd":[{"id":"CVE-2026-21996","description":"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()","status":"published","published":"2026-05-01T18:16:13.75Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:12:17.022502Z"}],"osv":[{"id":"DEBIAN-CVE-2026-21996","description":"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()","status":"published","published":"2026-05-01T18:16:13.75Z","modified":"2026-10-27T09:47:40.818539672Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:53.097669Z"},{"id":"UBUNTU-CVE-2026-21996","description":"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()","status":"published","published":"2026-05-01T18:16:00Z","modified":"2026-10-17T12:58:06.714144499Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:56:01.334185Z"}]}}