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CVE-2016-5423

Publication date 11 August 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.3 · High

Score breakdown

PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated users to cause a denial of service (NULL pointer dereference and server crash), obtain sensitive memory information, or possibly execute arbitrary code via (1) a CASE expression within the test value subexpression of another CASE or (2) inlining of an SQL function that implements the equality operator used for a CASE expression involving values of different types.

Status

Package Ubuntu Release Status
postgresql-8.4 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored
postgresql-9.1 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Fixed 9.1.23-0ubuntu0.14.04
12.04 LTS precise
Fixed 9.1.23-0ubuntu0.12.04
postgresql-9.3 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Fixed 9.3.14-0ubuntu0.14.04
12.04 LTS precise Not in release
postgresql-9.5 17.04 zesty Not in release
16.10 yakkety
Not affected
16.04 LTS xenial
Fixed 9.5.4-0ubuntu0.16.04
14.04 LTS trusty Not in release
12.04 LTS precise Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
postgresql-9.5

Severity score breakdown

Parameter Value
Base score 8.3 · High
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3066-1
    • PostgreSQL vulnerabilities
    • 18 August 2016

Other references