Generated remediation guidance and an executive summary. No account required.
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.
Cite this page
CVE-2018-16864. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2018-16864
Use CWE-770, Systemd Project vendor hub and Systemd product page to widen CVE-2018-16864 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2026-40224, CVE-2026-40226 and CVE-2026-40225 for nearby disclosures in the same product family.