CVE-2018-16864

Public Exploit

Description

An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when a program with long command line arguments calls syslog. A local attacker may use this flaw to crash systemd-journald or escalate his privileges. Versions through v240 are vulnerable.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: The systemd Project systemd
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/106523 third party advisory vdb entry
https://access.redhat.com/errata/RHSA-2019:0342 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00016.html third party advisory mailing list
https://www.debian.org/security/2019/dsa-4367 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:0204 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20190117-0001/ third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16864 patch third party advisory issue tracking
https://www.qualys.com/2019/01/09/system-down/system-down.txt third party advisory exploit
https://usn.ubuntu.com/3855-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:0049 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:0271 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:0361 third party advisory vendor advisory
https://security.gentoo.org/glsa/201903-07 third party advisory vendor advisory
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html third party advisory patch
https://access.redhat.com/errata/RHBA-2019:0327 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2402 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2021/07/20/2 mailing list

Frequently Asked Questions

What is the severity of CVE-2018-16864?
CVE-2018-16864 has been scored as a high severity vulnerability.
How to fix CVE-2018-16864?
To fix CVE-2018-16864, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-16864 being actively exploited in the wild?
It is possible that CVE-2018-16864 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-16864?
CVE-2018-16864 affects The systemd Project systemd.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.