A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the `_CMDLINE=` entry. A local attacker may use this flaw to make systemd-journald crash.
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3815
http://www.securityfocus.com/bid/106632
https://access.redhat.com/errata/RHSA-2019:0201
https://lists.debian.org/debian-lts-announce/2019/03/msg00013.html
https://access.redhat.com/errata/RHBA-2019:0327
Source: MITRE
Published: 2019-01-28
Updated: 2023-02-02
Type: CWE-401
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
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:N/I:N/A:L
Impact Score: 1.4
Exploitability Score: 1.8
Severity: LOW