RHSA-2018:3665 — Security Advisory
Red Hat Security Advisory: NetworkManager security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · November 27, 2018
Updated · June 27, 2026
Topic
An update for NetworkManager is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when available. Its capabilities include managing Ethernet, wireless, mobile broadband (WWAN), and PPPoE devices, as well as providing VPN integration with a variety of different VPN services.
Security Fix(es):
- systemd: Out-of-bounds heap write in systemd-networkd dhcpv6 option handling (CVE-2018-15688)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Ubuntu Security Team for reporting this issue. Upstream acknowledges Felix Wilhelm (Google) as the original reporter.