CVE-2018-15688

Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 26 Oct 2018, 14:00
Last modified:09 Jun 2025, 15:55

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
v3.0 (cve.org)
EPSS Score
0.69% LOW
1% probability -0.04%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Oct 2018, 14:00
Published
Vulnerability first disclosed
09 Jun 2025, 15:55
Last Modified
Vulnerability information updated

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

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v3.0•HIGH•Score: 8.8CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 5.8AV:A/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.69%• Percentile: 72%

Techniques & Countermeasures

  • CWE-120•Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

    The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 18.04 | 18.10

  • debian•debian_linux

    8.0

  • redhat•enterprise_linux_desktop

    7.0

  • redhat•enterprise_linux_server

    7.0

  • redhat•enterprise_linux_server_aus

    7.6

  • redhat•enterprise_linux_server_eus

    7.6

  • redhat•enterprise_linux_server_tus

    7.6

  • redhat•enterprise_linux_workstation

    7.0

  • systemd_project•systemd

    ≤ 239

  • systemd•systemd

    ≥ unspecified, ≤ 239

References (9)