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CVE-2018-16866 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:3.3 LOWVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html	CVE	Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2091	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3222	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0593	CVE	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866	CVE	Issue TrackingPatchThird Party Advisory
http://seclists.org/fulldisclosure/2019/May/21	CVE	Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/May/25	CVE	Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/201903-07	CVE	Third Party Advisory
https://security.netapp.com/advisory/ntap-20190117-0001/	CVE	Third Party Advisory
https://usn.ubuntu.com/3855-1/	CVE	Third Party Advisory
https://www.debian.org/security/2019/dsa-4367	CVE	Third Party Advisory
https://www.qualys.com/2019/01/09/system-down/system-down.txt	CVE	ExploitThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/05/10/4	CVE	Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/106527	CVE	Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html	[email protected]	Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2091	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3222	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0593	[email protected]	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866	[email protected]	Issue TrackingPatchThird Party Advisory
http://seclists.org/fulldisclosure/2019/May/21	[email protected]	Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/May/25	[email protected]	Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/201903-07	[email protected]	Third Party Advisory
https://security.netapp.com/advisory/ntap-20190117-0001/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3855-1/	[email protected]	Third Party Advisory
https://www.debian.org/security/2019/dsa-4367	[email protected]	Third Party Advisory
https://www.qualys.com/2019/01/09/system-down/system-down.txt	[email protected]	ExploitThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/05/10/4	[email protected]	Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/106527	[email protected]	Third Party AdvisoryVDB Entry

see all 28 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[email protected]
CWE-125	Out-of-bounds Read	[email protected]
CWE-200	Exposure of Sensitive Information to an Unauthorized Actor	[email protected]

Affected Products

Product	Versions
systemd project systemd	>= 221, <= 239
CPE cpe:2.3:a:systemd_project:systemd:::::::: Remediation No remediation found in references.
debian debian linux	9.0
CPE cpe:2.3:o:debian:debian_linux:9.0:::::::* Remediation No remediation found in references.
canonical ubuntu linux	16.04 18.04 18.10
CPE 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:::::::* Remediation No remediation found in references.
netapp active iq performance analytics services	All versions
CPE cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:::::::* Remediation No remediation found in references.
netapp element software	All versions
CPE cpe:2.3:a:netapp:element_software:::::::: Remediation No remediation found in references.
redhat enterprise linux	7.6
CPE cpe:2.3:o:redhat:enterprise_linux:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux compute node eus	7.6
CPE cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux desktop	7.0
CPE cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux for ibm z systems (structure a)	7_s390x
CPE cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_(structure_a):7_s390x:::::::* Remediation No remediation found in references.
redhat enterprise linux for ibm z systems eus	7.6
CPE cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux for power big endian	7.0
CPE cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux for power big endian eus	7.6
CPE cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux for power little endian	7.0
CPE cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux for power little endian eus	7.6
CPE cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux for scientific computing	7.0
CPE cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux server	7.0
CPE cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux server aus	7.4 7.6
CPE cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::* cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux server for power little endian update services for sap solutions	7.4 7.6
CPE cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.4:::::::* cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux server tus	7.4 7.6
CPE cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:::::::* cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux server update services for sap solutions	7.4 7.6
CPE cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.4:::::::* cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.6:::::::* Remediation No remediation found in references.
redhat enterprise linux workstation	7.0
CPE cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::* Remediation No remediation found in references.

Change History

22 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 13, 2023	CVE Modified	[email protected]
Feb 2, 2023	CVE Modified	[email protected]
Feb 20, 2022	Modified Analysis	[email protected]
Jan 28, 2022	CPE Deprecation Remap	[email protected]
Feb 25, 2020	CVE Modified	[email protected]
Oct 29, 2019	CVE Modified	[email protected]
Oct 9, 2019	CVE Modified	[email protected]
Aug 6, 2019	CVE Modified	[email protected]
May 13, 2019	CVE Modified	[email protected]
May 13, 2019	CVE Modified	[email protected]
May 13, 2019	CVE Modified	[email protected]
May 10, 2019	CVE Modified	[email protected]
Mar 11, 2019	Modified Analysis	[email protected]
Mar 11, 2019	CVE Modified	[email protected]
Feb 6, 2019	Initial Analysis	[email protected]
Jan 18, 2019	CVE Modified	[email protected]
Jan 14, 2019	CVE Modified	[email protected]
Jan 12, 2019	CVE Modified	[email protected]

CVE-2018-16866 Details

Description

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