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Published: 28 September 2017

The daily mandb cleanup job in Man-db before as packaged in Ubuntu and Debian allows local users with access to the man account to gain privileges via vectors involving insecure chown use.



Cvss 3 Severity Score


Score breakdown


Package Release Status
Launchpad, Ubuntu, Debian
trusty Needed

artful Not vulnerable
bionic Not vulnerable
cosmic Not vulnerable
disco Not vulnerable
eoan Not vulnerable
focal Not vulnerable
Released (
wily Ignored
(end of life)
impish Not vulnerable
hirsute Not vulnerable
Released (2.7.5-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
groovy Not vulnerable
jammy Not vulnerable
kinetic Not vulnerable
lunar Not vulnerable
precise Ignored
(end of life)
vivid Ignored
(end of life)
yakkety Ignored
(end of life)
zesty Not vulnerable
mantic Not vulnerable

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H