CVE-2015-3167 [High] | Information Disclosure in Postgresql

CVE-2015-3167 is rated Moderate Risk (63.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.96%). EPSS rose +2.15% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	1.81%	3.96%	+2.15%
2	2026-03-11	2.52%	1.81%	-0.71%
3	2025-12-28	—	2.52%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

1.81%

3.96%

+2.15%

2026-03-11

2.52%

1.81%

-0.71%

2025-12-28

—

2.52%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	3.9	3.6	[email protected]
5.0	2.0	MEDIUM	`AV:N/AC:L/Au:N/C:P/I:N/A:N` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:N) No availability impact.	10.0	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

3.9

3.6

[email protected]

5.0

2.0

MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:N): No availability impact.

10.0

2.9

[email protected]

OS Trackers for CVE-2015-3167

vendor	priority	summary	link
`gentoo`	normal	CVE-2015-3167: 1 GLSA(s) (201507-20), 1 atom(s) (dev-db/postgresql); latest impact normal.	https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-3167
`redhat`	low	—	https://access.redhat.com/security/cve/CVE-2015-3167
`ubuntu`	medium	CVE-2015-3167 medium priority: Ubuntu including 4 source packages (postgresql-8.4, postgresql-9.1, postgresql-9.3, postgresql-9.4), 36 status rows across 9 suites (precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 25, released 9, ignored 1, needs-triage 1.	https://ubuntu.com/security/CVE-2015-3167

Affected software / configurations for CVE-2015-3167

Vendor	Product	Version	Raw CPE
postgresql	postgresql	< 9.0.20	cpe:2.3:a:postgresql:postgresql::::::::
postgresql	postgresql	>= 9.1, < 9.1.16	cpe:2.3:a:postgresql:postgresql::::::::
postgresql	postgresql	>= 9.2, < 9.2.11	cpe:2.3:a:postgresql:postgresql::::::::
postgresql	postgresql	>= 9.3, < 9.3.7	cpe:2.3:a:postgresql:postgresql::::::::
postgresql	postgresql	>= 9.4, < 9.4.2	cpe:2.3:a:postgresql:postgresql::::::::
debian	debian_linux	7.0	cpe:2.3:o:debian:debian_linux:7.0:::::::*
debian	debian_linux	8.0	cpe:2.3:o:debian:debian_linux:8.0:::::::*
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*
canonical	ubuntu_linux	12.04	cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
canonical	ubuntu_linux	14.04	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
canonical	ubuntu_linux	14.10	cpe:2.3:o:canonical:ubuntu_linux:14.10:::::::*
canonical	ubuntu_linux	15.04	cpe:2.3:o:canonical:ubuntu_linux:15.04:::::::*

References for CVE-2015-3167

URL	Tags
http://ubuntu.com/usn/usn-2621-1	Third Party Advisory
http://www.debian.org/security/2015/dsa-3269	Third Party Advisory
http://www.debian.org/security/2015/dsa-3270	Third Party Advisory
http://www.postgresql.org/about/news/1587/	Vendor Advisory
http://www.postgresql.org/docs/9.0/static/release-9-0-20.html	Release Notes Vendor Advisory
http://www.postgresql.org/docs/9.1/static/release-9-1-16.html	Release Notes Vendor Advisory
http://www.postgresql.org/docs/9.2/static/release-9-2-11.html	Release Notes Vendor Advisory
http://www.postgresql.org/docs/9.3/static/release-9-3-7.html	Release Notes Vendor Advisory
http://www.postgresql.org/docs/9.4/static/release-9-4-2.html	Release Notes Vendor Advisory

URL

CVE-2015-3167

Exploit prediction scoring system (EPSS) score for CVE-2015-3167

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3167

Weakness enumeration for CVE-2015-3167

OS Trackers for CVE-2015-3167

Affected software / configurations for CVE-2015-3167

References for CVE-2015-3167