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.
https://www.qualys.com/2019/01/09/system-down/system-down.txt
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866
https://usn.ubuntu.com/3855-1/
http://www.securityfocus.com/bid/106527
https://www.debian.org/security/2019/dsa-4367
https://security.netapp.com/advisory/ntap-20190117-0001/
https://security.gentoo.org/glsa/201903-07
http://www.openwall.com/lists/oss-security/2019/05/10/4
https://seclists.org/bugtraq/2019/May/25
http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html
http://seclists.org/fulldisclosure/2019/May/21
https://access.redhat.com/errata/RHSA-2019:2091
Source: MITRE
Published: 2019-01-11
Updated: 2023-02-13
Type: CWE-200
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 3.3
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Impact Score: 1.4
Exploitability Score: 1.8
Severity: LOW