CVE-2020-21469
Published: 22 August 2023
** DISPUTED ** An issue was discovered in PostgreSQL 12.2 allows attackers to cause a denial of service via repeatedly sending SIGHUP signals. NOTE: this is disputed by the vendor because untrusted users cannot send SIGHUP signals; they can only be sent by a PostgreSQL superuser, a user with pg_reload_conf access, or a user with sufficient privileges at the OS level (the postgres account or the root account).
Notes
Author | Note |
---|---|
leosilva | PostgreSQL 9.3 is end of life upstream, and no updates are are available. Marking as deferred in -esm-main releases. |
mdeslaur | This is an old issue that was fixed in 2019 upstream |
Priority
Status
Package | Release | Status |
---|---|---|
postgresql-10 Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Does not exist
|
|
jammy |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
postgresql-12 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Released
(12.5-0ubuntu0.20.04.1)
|
|
jammy |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Released
(12.5)
|
|
xenial |
Does not exist
|
|
Patches: upstream: https://git.postgresql.org/gitweb/?p=postgresql.git&a=commitdiff&h=9abb2bfc0 |
||
postgresql-14 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
jammy |
Not vulnerable
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
|
|
xenial |
Does not exist
|
|
postgresql-9.1 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
jammy |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
postgresql-9.3 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
jammy |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Deferred
(2019-08-23)
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
postgresql-9.5 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
jammy |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 4.4 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |