CVE-2026-40228: Low severity systemd systemd vulnerability
In systemd 259, systemd-journald can send ANSI escape sequences to the terminals of arbitrary users when a "logger -p emerg" command is executed, if ForwardToWall=yes is set.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-40228?
CVE-2026-40228 has a medium severity level due to its potential for arbitrary command execution via terminal manipulation.
How do I fix CVE-2026-40228?
To fix CVE-2026-40228, update systemd to a version newer than 259 or disable ForwardToWall option in the configuration.
What systems are affected by CVE-2026-40228?
CVE-2026-40228 affects systemd version 259 in any environment where it is deployed.
What consequences can arise from CVE-2026-40228?
Exploitation of CVE-2026-40228 can lead to unexpected behavior in user terminals, including execution of arbitrary ANSI escape sequences.
Where can I learn more about CVE-2026-40228?
Further information regarding CVE-2026-40228 can typically be found in security advisories from systemd or related cybersecurity bulletins.