{"id":"CVE-2018-16865","details":"An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.","modified":"2026-07-08T05:54:25.656185971Z","published":"2019-01-11T21:29:00.257Z","related":["CGA-h5q7-7m3r-hf35","SUSE-SU-2019:0053-1","SUSE-SU-2019:0054-1","SUSE-SU-2019:0054-2","SUSE-SU-2019:0135-1","SUSE-SU-2019:0137-1","openSUSE-SU-2019:0098-1","openSUSE-SU-2024:11420-1"],"database_specific":{"unresolved_ranges":[{"vendor_product":"canonical:ubuntu_linux","cpes":["cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"18.10"},{"last_affected":"18.10"}],"source":"CPE_STRING"},{"vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"source":"CPE_STRING","extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"},{"introduced":"9.0"},{"last_affected":"9.0"}]},{"vendor_product":"oracle:communications_session_border_controller","cpes":["cpe:2.3:a:oracle:communications_session_border_controller:8.0.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:communications_session_border_controller:8.1.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:communications_session_border_controller:8.2.0:*:*:*:*:*:*:*"],"source":"CPE_STRING","extracted_events":[{"introduced":"8.0.0"},{"last_affected":"8.0.0"},{"introduced":"8.1.0"},{"last_affected":"8.1.0"},{"introduced":"8.2.0"},{"last_affected":"8.2.0"}]},{"vendor_product":"oracle:enterprise_communications_broker","cpes":["cpe:2.3:a:oracle:enterprise_communications_broker:3.0.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:enterprise_communications_broker:3.1.0:*:*:*:*:*:*:*"],"source":"CPE_STRING","extracted_events":[{"introduced":"3.0.0"},{"last_affected":"3.0.0"},{"introduced":"3.1.0"},{"last_affected":"3.1.0"}]},{"vendor_product":"redhat:enterprise_linux_desktop","cpes":["cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"source":"CPE_STRING"},{"vendor_product":"redhat:enterprise_linux_server","cpes":["cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"],"source":"CPE_STRING","extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}]},{"vendor_product":"redhat:enterprise_linux_server_aus","cpes":["cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*","cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.3"},{"last_affected":"7.3"},{"introduced":"7.6"},{"last_affected":"7.6"}],"source":"CPE_STRING"},{"vendor_product":"redhat:enterprise_linux_server_eus","cpes":["cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*","cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*"],"source":"CPE_STRING","extracted_events":[{"introduced":"7.5"},{"last_affected":"7.5"},{"introduced":"7.6"},{"last_affected":"7.6"}]},{"vendor_product":"redhat:enterprise_linux_server_tus","cpes":["cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*","cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*"],"source":"CPE_STRING","extracted_events":[{"introduced":"7.3"},{"last_affected":"7.3"},{"introduced":"7.6"},{"last_affected":"7.6"}]},{"vendor_product":"redhat:enterprise_linux_workstation","cpes":["cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"source":"CPE_STRING"}]},"references":[{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2019/May/21"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/05/10/4"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/07/20/2"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/106525"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHBA-2019:0327"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0049"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0204"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0271"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0342"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0361"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2402"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/01/msg00016.html"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/May/25"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201903-07"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190117-0001/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3855-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4367"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16865"},{"type":"FIX","url":"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"},{"type":"EVIDENCE","url":"https://www.qualys.com/2019/01/09/system-down/system-down.txt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/systemd/systemd","events":[{"introduced":"0"},{"last_affected":"1742aae2aa8cd33897250d6fcfbe10928e43eb2f"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"240"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*"}}],"versions":["v240","v239","v238","v237","v236","v235","v234","v233","v232","v231","v230","v229","v228","v227","v226","v225","v224","v223","v222","v221","v219","v220","v218","v217","v216","v215","v214","v213","v212","v211","v210","v209","v208","v207","v206","v205","v204","v203","v202","v201","v200","v199","v198","v197","v196","v195","v194","v193","v192","v191","v190","v189","v188","v187","v186","v185","v184","v183","v44","v43","v42","v41","v40","v39","v38","v37","v36","v35","v34","v33","v32","v31","v30","v29","v28","v27","v26","v25","v24","v23","v22","v21","v20","v19","v18","v17","v16","v15","v14","v13","v12","v11","v10","v9","v8","v7","v6","v5","v4","v3","v2","v1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16865.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/systemd/systemd-stable","events":[{"introduced":"0"},{"last_affected":"1742aae2aa8cd33897250d6fcfbe10928e43eb2f"}],"database_specific":{"source":"CPE_RANGE","extracted_events":[{"introduced":"0"},{"last_affected":"240"}],"cpe":"cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*"}}],"versions":["v240","v239","v238","v237","v236","v235","v234","v233","v232","v231","v230","v229","v228","v227","v226","v225","v224","v223","v222","v221","v219","v220","v218","v217","v216","v215","v214","v213","v212","v211","v210","v208","v209","v201","v204","v207","v206","v205","v203","v202","v200","v199","v198","v197","v196","systemd-v196","v195","systemd-v195","v194","systemd-v194","v193","systemd-v193","v192","systemd-v192","v191","systemd-v191","v190","systemd-v190","v189","systemd-v189","v188","systemd-v188","v187","systemd-v187","v186","systemd-v186","v185","systemd-v185","v184","systemd-v184","v183","systemd-v183","v44","systemd-v44","v43","systemd-v43","v42","systemd-v42","v41","systemd-v41","v40","systemd-v40","v39","systemd-v39","v38","systemd-v38","v37","systemd-v37","v36","systemd-v36","v35","systemd-v35","v34","systemd-v34","v33","systemd-v33","v32","systemd-v32","v31","systemd-v31","v30","systemd-v30","v29","systemd-v29","v28","systemd-v28","v27","systemd-v27","v26","systemd-v26","v25","systemd-v25","v24","systemd-v24","v23","systemd-v23","v22","systemd-v22","v21","systemd-v21","v20","systemd-v20","v19","systemd-v19","v18","systemd-v18","v17","systemd-v17","v16","systemd-v16","v15","systemd-v15","v14","systemd-v14","v13","systemd-v13","v12","systemd-v12","v11","systemd-v11","v10","systemd-v10","v9","systemd-v9","v8","systemd-v8","v7","systemd-v7","v6","systemd-v6","v5","systemd-v5","v4","systemd-v4","v3","systemd-v3","v2","systemd-v2","v1","systemd-v1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16865.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:H/I:H/A:H"}]}