What’s Vulnerable › Vulnerabilities
CVE-2018-16866
- Severity: low (CVSS 3.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.1% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-01-11 · updated 2026-06-17
- Weakness: CWE-125
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.
Affected products
- Canonical Ubuntu Linux: 16.04, 18.04, 18.10
- Debian Linux: 9.0
- NetApp Active Iq Performance Analytics Services: all versions
- NetApp Element Software: all versions
- Red Hat Enterprise Linux: 7.6
- RedHat Enterprise Linux Compute Node Eus: 7.6
- RedHat Enterprise Linux Desktop: 7.0
- RedHat Enterprise Linux For Ibm Z Systems (Structure A): 7_s390x
- RedHat Enterprise Linux For Ibm Z Systems Eus: 7.6
- RedHat Enterprise Linux For Power Big Endian: 7.0
- RedHat Enterprise Linux For Power Big Endian Eus: 7.6
- RedHat Enterprise Linux For Power Little Endian: 7.0
- RedHat Enterprise Linux For Power Little Endian Eus: 7.6
- RedHat Enterprise Linux For Scientific Computing: 7.0
- RedHat Enterprise Linux Server: 7.0
- RedHat Enterprise Linux Server Aus: 7.4, 7.6
- RedHat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions: 7.4, 7.6
- RedHat Enterprise Linux Server Tus: 7.4, 7.6
- RedHat Enterprise Linux Server Update Services For Sap Solutions: 7.4, 7.6
- RedHat Enterprise Linux Workstation: 7.0
- systemd: from 221 through 239
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
- https://access.redhat.com/errata/RHSA-2019:3222
- https://access.redhat.com/errata/RHSA-2020:0593
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866
- https://seclists.org/bugtraq/2019/May/25
- https://security.gentoo.org/glsa/201903-07
- https://security.netapp.com/advisory/ntap-20190117-0001/
- https://usn.ubuntu.com/3855-1/
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