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In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS NSEC resource record to trigger an infinite loop in the dns_packet_read_type_window() function of the 'systemd-resolved' service and cause a DoS of the affected service.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade systemd | Jul 30, 2024 | Oct 26, 2017 |
| Suse | — | Upgrade systemd-bash-completionUpgrade libsystemd0Upgrade systemd-containerUpgrade libudev-develUpgrade systemd-sysvinitUpgrade systemd-docUpgrade systemd-32bitUpgrade systemd-coredumpUpgrade systemdUpgrade systemd-journal-remoteUpgrade systemd-langUpgrade libudev1-32bitUpgrade libudev1Upgrade systemd-develUpgrade libsystemd0-32bitUpgrade udev | Jan 31, 2018 | Oct 26, 2017 |
| Ubuntu | — | Upgrade systemd | Nov 21, 2017 | Oct 26, 2017 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 26, 2017 |
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