What is CVE-2019-3815?

CVE-2019-3815 is a low-severity vulnerability in The Systemd Project, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.3/10. Published 2019-01-28.

How severe is CVE-2019-3815?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in The Systemd Project

CVE-2019-3815

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. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

Published 2019-01-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (31.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

The Systemd Project — versions v219-62.2 and newer
Debian Linux — versions 8.0
Red Hat Enterprise Linux Desktop — versions 7.0
Red Hat Enterprise Linux Server — versions 7.0
Red Hat Enterprise Linux Server Aus — versions 7.6
Red Hat Enterprise Linux Server Eus — versions 7.6
Red Hat Enterprise Linux Workstation — versions 7.0
Red Hat Openshift Container Platform — versions 3.11

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

lists.debian.org/debian-lts-announce/2019/03/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
www.securityfocus.com/bid/106632 (VDB Entry, Third Party Advisory, vdb-entry)
access.redhat.com/errata/RHSA-2019:0201 (vendor-advisory, Vendor Advisory)
access.redhat.com/errata/RHBA-2019:0327 (vendor-advisory, Vendor Advisory)
bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2019-3815?: CVE-2019-3815 is a low-severity vulnerability in The Systemd Project, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.3/10. Published 2019-01-28.
How severe is CVE-2019-3815?: Low severity. CVSS v3 base score is 3.3 out of 10.