CVE-2018-16866

libnss-myhostname: An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colo...

CVE-2018-16866 is fixed in 14 products on 1 platform, first by libnss-myhostname 237-3ubuntu10.11, released January 10, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0105
64th percentile

An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.

Where it's fixed

ProductFixed inFixReleased
Linux
libnss-myhostname · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 libnss-myhostname 237-3ubuntu10.11 Jan 10, 2019
libnss-mymachines · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 libnss-mymachines 237-3ubuntu10.11 Jan 10, 2019
libnss-resolve · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 libnss-resolve 237-3ubuntu10.11 Jan 10, 2019
libnss-systemd · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 libnss-systemd 237-3ubuntu10.11 Jan 10, 2019
libpam-systemd · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 libpam-systemd 237-3ubuntu10.11 Jan 10, 2019
libsystemd0 · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 libsystemd0 237-3ubuntu10.11 Jan 10, 2019
libudev1 · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 libudev1 237-3ubuntu10.11 Jan 10, 2019
systemd · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 systemd 237-3ubuntu10.11 Jan 10, 2019
systemd-container · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 systemd-container 237-3ubuntu10.11 Jan 10, 2019
systemd-coredump · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 systemd-coredump 237-3ubuntu10.11 Jan 10, 2019
systemd-journal-remote · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 systemd-journal-remote 237-3ubuntu10.11 Jan 10, 2019
systemd-sysv · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 systemd-sysv 237-3ubuntu10.11 Jan 10, 2019
systemd-tests · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 systemd-tests 237-3ubuntu10.11 Jan 10, 2019
udev · Ubuntu 18.04.6 LTS (bionic) 237-3ubuntu10.11 udev 237-3ubuntu10.11 Jan 10, 2019

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