CVE-2018-20839

Description

References

• securityfocus.com/bid/108389 · Broken Link
• bugs.launchpad.net/ubuntu/+source/systemd/+bug/1803993 · Issue Tracking
• systemd/systemd commit 9725f1a · Patch
• systemd/systemd#12378 · Issue Tracking
• lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E · Mailing List
• security.netapp.com/advisory/ntap-20190530-0002 · Third Party Advisory

More vulnerabilities in systemd

• CVE-2026-40228LOW 3.3In systemd 259, systemd-journald can send ANSI escape sequences to the terminals of arbitrary users when a "logger -p emerg" command is exec…
• CVE-2026-40227MEDIUM 5.5In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array or map that has a null element.
• CVE-2026-40226MEDIUM 6.4In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.
• CVE-2026-40225MEDIUM 6.4In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output.
• CVE-2026-40224HIGH 7.3In systemd 259 before 260, there is local privilege escalation in systemd-machined because varlink can be used to reach the root namespace.