{"cve":"CVE-2018-16866","nvd":{"published":"2019-01-11T19:29:00.233","modified":"2026-06-17T01:44:56.797","status":"Modified","description":"An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":3.3},"cwes":["CWE-125","CWE-200"],"references":["http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html","http://seclists.org/fulldisclosure/2019/May/21","http://www.openwall.com/lists/oss-security/2019/05/10/4","http://www.securityfocus.com/bid/106527","https://access.redhat.com/errata/RHSA-2019:2091"],"products":["canonical:ubuntu_linux","debian:debian_linux","netapp:active_iq_performance_analytics_services","netapp:element_software","redhat:enterprise_linux","redhat:enterprise_linux_compute_node_eus","redhat:enterprise_linux_desktop","redhat:enterprise_linux_for_ibm_z_systems_\\(structure_a\\)","redhat:enterprise_linux_for_ibm_z_systems_eus","redhat:enterprise_linux_for_power_big_endian","redhat:enterprise_linux_for_power_big_endian_eus","redhat:enterprise_linux_for_power_little_endian","redhat:enterprise_linux_for_power_little_endian_eus","redhat:enterprise_linux_for_scientific_computing","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions","redhat:enterprise_linux_server_tus","redhat:enterprise_linux_server_update_services_for_sap_solutions","redhat:enterprise_linux_workstation","systemd_project:systemd"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-16866","score":0.01051,"percentile":0.64294,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}