CVE-2018-15688

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-15688

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-15688.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201811-11

OS impact

OSVersionStatusFixed in
arch archfixed239.300-1
suse slesaffected
debian debianbookwormfixed1.14.4-2
debian debianbullseyefixed1.14.4-2
debian debianforkyfixed1.14.4-2
debian debiansidfixed1.14.4-2
debian debiantrixiefixed1.14.4-2

References

Verify integrity in audit chain (admin only). AS-IS.