CVE-2018-15688highCWE-120

CVE-2018-15688: high-severity vulnerability in systemd

Out-of-Bounds write in systemd-networkd dhcpv6 option handling

Published · Updated

Follow this CVE+ Monitor systemd+ Monitor systemd

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 1.8%
A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory in systemd-networkd. Affected releases are systemd: versions up to and including 239.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
systemd · systemd
Related CVEs — systemd

In the same product, most dangerous first.

CVE-2018-15686HIGHsystemd: reexec state injection: fgets() on overlong lines leads to line splittingEPSS 2.3%CVE-2018-15687HIGHsystemd: chown_one() can dereference symlinksEPSS 1.1%CVE-2012-1101—CVE-2012-1101EPSS 0.4%CVE-2026-40227MEDIUMCVE-2026-40227EPSS 0.2%CVE-2026-40228LOWCVE-2026-40228EPSS 0.2%CVE-2026-40225MEDIUMCVE-2026-40225EPSS 0.1%