Is CVE-2018-15688 actively exploited?

CVE-2018-15688 has no public evidence of in-the-wild exploitation as of 2025-06-09.

What is the CVSS score for CVE-2018-15688?

CVE-2018-15688 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-15688?

Patch guidance is available from systemd project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-15688.

Fix CVE-2018-15688 - HIGH systemd project systemd

Q: Which products are affected by CVE-2018-15688?

11 products: systemd project systemd, debian debian linux, canonical ubuntu linux, canonical ubuntu linux, canonical ubuntu linux, and 6 more.

Description

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 Metrics

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: adjacent network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-120 CWE-120

Metadata

Primary Vendor: SYSTEMD_PROJECT
Published: 10/26/2018
Last Modified: 6/9/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

systemd_project : systemddebian : debian_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxredhat : enterprise_linux_desktopredhat : enterprise_linux_serverredhat : enterprise_linux_server_ausredhat : enterprise_linux_server_eusredhat : enterprise_linux_server_tusredhat : enterprise_linux_workstation

Remediation Guidance

Executive Summary

Cite this page

CVE-2018-15688. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2018-15688

View on NIST NVD

CVE-2018-15688 vulnerability