CVE-2016-2193

Publication date 11 April 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

PostgreSQL before 9.5.x before 9.5.2 does not properly maintain row-security status in cached plans, which might allow attackers to bypass intended access restrictions by leveraging a session that performs queries as more than one role.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
postgresql-8.4	15.10 wily	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected
postgresql-9.1	15.10 wily	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected
postgresql-9.3	15.10 wily	Not in release
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not in release
postgresql-9.4	15.10 wily	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release
postgresql-9.5	15.10 wily	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release

Notes

sbeattie

RLS was introduced in postgresql 9.5, doesn't affect prior versions

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N