{"id":"CVE-2011-1781","aliases":["DEBIAN-CVE-2011-1781","EUVD-2011-1779","GHSA-qrqj-c695-3j7q","RHSA-2011:0842"],"status":"published","title":"SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a...","description":"SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).","severity":{"version":"2.0","score":1.2,"vector":"AV:L/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00301,"percentile":0.22955,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-189"],"published":"2011-08-29T21:00:00Z","modified":"2026-10-23T17:47:30Z","fixes":[{"ecosystem":"Debian:12","package":"systemtap","fixed_in":["1.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"systemtap","fixed_in":["1.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"systemtap","fixed_in":["1.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"systemtap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"systemtap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"systemtap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6-1"}]}]},{"source":"osv","ecosystem":"Red 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1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).","status":"published","published":"2011-08-29T21:00:00Z","modified":"2024-08-06T22:37:25.78Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1779","description":"SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).","status":"published","published":"2011-08-29T21:00:00Z","modified":"2024-08-06T22:37:25Z","updated_at":"2026-11-03T01:55:55.207376Z"}],"ghsa":[{"id":"GHSA-qrqj-c695-3j7q","title":"SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, 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backtracing).","status":"published","published":"2011-08-29T21:55:00.847Z","modified":"2026-06-16T23:30:01.023Z","cvss":[{"version":"2.0","score":1.2,"vector":"AV:L/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:02:09.988332Z"}],"osv":[{"id":"CVE-2011-1781","description":"SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).","status":"published","published":"2011-08-29T21:55:00Z","modified":"2026-04-10T03:41:45.572925Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-1781","description":"SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).","status":"published","published":"2011-08-29T21:55:00.847Z","modified":"2026-10-23T17:47:30.770200882Z","updated_at":"2026-11-02T15:45:24.612044Z"},{"id":"RHSA-2011:0842","title":"Red Hat Security Advisory: systemtap security update","status":"published","published":"2024-09-15T19:08:44Z","modified":"2026-06-26T10:16:15Z","updated_at":"2026-11-02T15:53:01.003286Z"}]}}