# CVE-2018-15688: gir1.2-networkmanager-1.0: A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memo... CVE-2018-15688 is fixed in 23 products on 1 platform, first by gir1.2-networkmanager-1.0 1.10.6-2ubuntu1.1, released October 25, 2018. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2018-15688 - Priority: Routine - CVSS: n/a (Medium) - EPSS: 0.0167 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Oct 25, 2018 ## 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. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | gir1.2-networkmanager-1.0 Ubuntu 18.04.6 LTS (bionic) | 1.10.6-2ubuntu1.1 | [gir1.2-networkmanager-1.0 1.10.6-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-networkmanager-1.0-1.10.6-2ubuntu1.1.md) | Oct 25, 2018 | | Linux | gir1.2-nm-1.0 Ubuntu 18.04.6 LTS (bionic) | 1.10.6-2ubuntu1.1 | [gir1.2-nm-1.0 1.10.6-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-nm-1.0-1.10.6-2ubuntu1.1.md) | Oct 25, 2018 | | Linux | libnm-glib-vpn1 Ubuntu 18.04.6 LTS (bionic) | 1.10.6-2ubuntu1.1 | [libnm-glib-vpn1 1.10.6-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnm-glib-vpn1-1.10.6-2ubuntu1.1.md) | Oct 25, 2018 | | Linux | libnm-glib4 Ubuntu 18.04.6 LTS (bionic) | 1.10.6-2ubuntu1.1 | [libnm-glib4 1.10.6-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnm-glib4-1.10.6-2ubuntu1.1.md) | Oct 25, 2018 | | Linux | libnm-util2 Ubuntu 18.04.6 LTS (bionic) | 1.10.6-2ubuntu1.1 | [libnm-util2 1.10.6-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnm-util2-1.10.6-2ubuntu1.1.md) | Oct 25, 2018 | | Linux | libnm0 Ubuntu 18.04.6 LTS (bionic) | 1.10.6-2ubuntu1.1 | [libnm0 1.10.6-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnm0-1.10.6-2ubuntu1.1.md) | Oct 25, 2018 | | Linux | libnss-myhostname Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [libnss-myhostname 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss-myhostname-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | libnss-mymachines Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [libnss-mymachines 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss-mymachines-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | libnss-resolve Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [libnss-resolve 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss-resolve-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | libnss-systemd Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [libnss-systemd 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss-systemd-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | libpam-systemd Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [libpam-systemd 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpam-systemd-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | libsystemd0 Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [libsystemd0 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsystemd0-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | libudev1 Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [libudev1 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libudev1-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | network-manager Ubuntu 18.04.6 LTS (bionic) | 1.10.6-2ubuntu1.1 | [network-manager 1.10.6-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-network-manager-1.10.6-2ubuntu1.1.md) | Oct 25, 2018 | | Linux | network-manager-config-connectivity-debian Ubuntu 18.04.6 LTS (bionic) | 1.10.6-2ubuntu1.1 | [network-manager-config-connectivity-debian 1.10.6-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-network-manager-config-connectivity-debian-1.10.6-2ubuntu1.1.md) | Oct 25, 2018 | | Linux | network-manager-config-connectivity-ubuntu Ubuntu 18.04.6 LTS (bionic) | 1.10.6-2ubuntu1.1 | [network-manager-config-connectivity-ubuntu 1.10.6-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-network-manager-config-connectivity-ubuntu-1.10.6-2ubuntu1.1.md) | Oct 25, 2018 | | Linux | systemd Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [systemd 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | systemd-container Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [systemd-container 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-container-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | systemd-coredump Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [systemd-coredump 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-coredump-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | systemd-journal-remote Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [systemd-journal-remote 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-journal-remote-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | systemd-sysv Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [systemd-sysv 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-sysv-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | systemd-tests Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [systemd-tests 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-systemd-tests-237-3ubuntu10.4.md) | Oct 25, 2018 | | Linux | udev Ubuntu 18.04.6 LTS (bionic) | 237-3ubuntu10.4 | [udev 237-3ubuntu10.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-udev-237-3ubuntu10.4.md) | Oct 25, 2018 | --- Data as of 2026-11-07T18:46:35Z UTC. 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