CVE-2015-5288

The crypt function in contrib/pgcrypto in PostgreSQL before 9.0.23, 9.1.x before 9.1.19, 9.2.x before 9.2.14, 9.3.x before 9.3.10, and 9.4.x before 9.4.5 allows attackers to cause a denial of service (server crash) or read arbitrary server memory via a "too-short" salt.

Published: 2015-10-26 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-5288 is rated Moderate Risk (57.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 4.53%, 90th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-5288

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-27 4.57% 4.53% -0.04%
2 2026-06-15 8.95% 4.57% -4.38%
3 2026-02-19 — 8.95% —

Full EPSS history (22 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-5288

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P 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:P)
Partial availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2015-5288

OS Trackers for CVE-2015-5288

vendor priority summary link
gentoo normal CVE-2015-5288: 1 GLSA(s) (201701-33), 1 atom(s) (dev-db/postgresql); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-5288
redhat medium — https://access.redhat.com/security/cve/CVE-2015-5288
suse low CVE-2015-5288 severity low: SUSE including 118 source package names (libecpg6-10.10-1.15.1, libecpg6-10.5-1.3.1, …), 238 product×package rows across 37 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Desktop 11 SP3, … (37 product lines)): Fixed 238. https://www.suse.com/security/cve/CVE-2015-5288/
ubuntu low CVE-2015-5288 low priority: Ubuntu including 4 source packages (postgresql-8.4, postgresql-9.1, postgresql-9.3, postgresql-9.4), 32 status rows across 8 suites (precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): DNE 22, released 7, ignored 1, needs-triage 1, not-affected 1. https://ubuntu.com/security/CVE-2015-5288

Affected software / configurations for CVE-2015-5288

Vendor Product Version Raw CPE
postgresql postgresql <= 9.0.22 cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql 9.1 cpe:2.3:a:postgresql:postgresql:9.1:*:*:*:*:*:*:*
postgresql postgresql 9.1.1 cpe:2.3:a:postgresql:postgresql:9.1.1:*:*:*:*:*:*:*
postgresql postgresql 9.1.2 cpe:2.3:a:postgresql:postgresql:9.1.2:*:*:*:*:*:*:*
postgresql postgresql 9.1.3 cpe:2.3:a:postgresql:postgresql:9.1.3:*:*:*:*:*:*:*
postgresql postgresql 9.1.4 cpe:2.3:a:postgresql:postgresql:9.1.4:*:*:*:*:*:*:*
postgresql postgresql 9.1.5 cpe:2.3:a:postgresql:postgresql:9.1.5:*:*:*:*:*:*:*
postgresql postgresql 9.1.6 cpe:2.3:a:postgresql:postgresql:9.1.6:*:*:*:*:*:*:*
postgresql postgresql 9.1.7 cpe:2.3:a:postgresql:postgresql:9.1.7:*:*:*:*:*:*:*
postgresql postgresql 9.1.8 cpe:2.3:a:postgresql:postgresql:9.1.8:*:*:*:*:*:*:*
postgresql postgresql 9.1.9 cpe:2.3:a:postgresql:postgresql:9.1.9:*:*:*:*:*:*:*
postgresql postgresql 9.1.10 cpe:2.3:a:postgresql:postgresql:9.1.10:*:*:*:*:*:*:*
postgresql postgresql 9.1.11 cpe:2.3:a:postgresql:postgresql:9.1.11:*:*:*:*:*:*:*
postgresql postgresql 9.1.12 cpe:2.3:a:postgresql:postgresql:9.1.12:*:*:*:*:*:*:*
postgresql postgresql 9.1.13 cpe:2.3:a:postgresql:postgresql:9.1.13:*:*:*:*:*:*:*
postgresql postgresql 9.1.14 cpe:2.3:a:postgresql:postgresql:9.1.14:*:*:*:*:*:*:*
postgresql postgresql 9.1.15 cpe:2.3:a:postgresql:postgresql:9.1.15:*:*:*:*:*:*:*
postgresql postgresql 9.1.16 cpe:2.3:a:postgresql:postgresql:9.1.16:*:*:*:*:*:*:*
postgresql postgresql 9.1.17 cpe:2.3:a:postgresql:postgresql:9.1.17:*:*:*:*:*:*:*
postgresql postgresql 9.1.18 cpe:2.3:a:postgresql:postgresql:9.1.18:*:*:*:*:*:*:*
postgresql postgresql 9.2 cpe:2.3:a:postgresql:postgresql:9.2:*:*:*:*:*:*:*
postgresql postgresql 9.2.1 cpe:2.3:a:postgresql:postgresql:9.2.1:*:*:*:*:*:*:*
postgresql postgresql 9.2.2 cpe:2.3:a:postgresql:postgresql:9.2.2:*:*:*:*:*:*:*
postgresql postgresql 9.2.3 cpe:2.3:a:postgresql:postgresql:9.2.3:*:*:*:*:*:*:*
postgresql postgresql 9.2.4 cpe:2.3:a:postgresql:postgresql:9.2.4:*:*:*:*:*:*:*
postgresql postgresql 9.2.5 cpe:2.3:a:postgresql:postgresql:9.2.5:*:*:*:*:*:*:*
postgresql postgresql 9.2.6 cpe:2.3:a:postgresql:postgresql:9.2.6:*:*:*:*:*:*:*
postgresql postgresql 9.2.7 cpe:2.3:a:postgresql:postgresql:9.2.7:*:*:*:*:*:*:*
postgresql postgresql 9.2.8 cpe:2.3:a:postgresql:postgresql:9.2.8:*:*:*:*:*:*:*
postgresql postgresql 9.2.9 cpe:2.3:a:postgresql:postgresql:9.2.9:*:*:*:*:*:*:*
postgresql postgresql 9.2.10 cpe:2.3:a:postgresql:postgresql:9.2.10:*:*:*:*:*:*:*
postgresql postgresql 9.2.11 cpe:2.3:a:postgresql:postgresql:9.2.11:*:*:*:*:*:*:*
postgresql postgresql 9.2.12 cpe:2.3:a:postgresql:postgresql:9.2.12:*:*:*:*:*:*:*
postgresql postgresql 9.2.13 cpe:2.3:a:postgresql:postgresql:9.2.13:*:*:*:*:*:*:*
postgresql postgresql 9.3 cpe:2.3:a:postgresql:postgresql:9.3:*:*:*:*:*:*:*
postgresql postgresql 9.3.1 cpe:2.3:a:postgresql:postgresql:9.3.1:*:*:*:*:*:*:*
postgresql postgresql 9.3.2 cpe:2.3:a:postgresql:postgresql:9.3.2:*:*:*:*:*:*:*
postgresql postgresql 9.3.3 cpe:2.3:a:postgresql:postgresql:9.3.3:*:*:*:*:*:*:*
postgresql postgresql 9.3.4 cpe:2.3:a:postgresql:postgresql:9.3.4:*:*:*:*:*:*:*
postgresql postgresql 9.3.5 cpe:2.3:a:postgresql:postgresql:9.3.5:*:*:*:*:*:*:*
postgresql postgresql 9.3.6 cpe:2.3:a:postgresql:postgresql:9.3.6:*:*:*:*:*:*:*
postgresql postgresql 9.3.7 cpe:2.3:a:postgresql:postgresql:9.3.7:*:*:*:*:*:*:*
postgresql postgresql 9.3.8 cpe:2.3:a:postgresql:postgresql:9.3.8:*:*:*:*:*:*:*
postgresql postgresql 9.3.9 cpe:2.3:a:postgresql:postgresql:9.3.9:*:*:*:*:*:*:*
postgresql postgresql 9.4.0 cpe:2.3:a:postgresql:postgresql:9.4.0:*:*:*:*:*:*:*
postgresql postgresql 9.4.1 cpe:2.3:a:postgresql:postgresql:9.4.1:*:*:*:*:*:*:*
postgresql postgresql 9.4.2 cpe:2.3:a:postgresql:postgresql:9.4.2:*:*:*:*:*:*:*
postgresql postgresql 9.4.3 cpe:2.3:a:postgresql:postgresql:9.4.3:*:*:*:*:*:*:*
postgresql postgresql 9.4.4 cpe:2.3:a:postgresql:postgresql:9.4.4:*:*:*:*:*:*:*

References for CVE-2015-5288

URL Tags
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172316.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169094.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00033.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00040.html
http://www.debian.org/security/2015/dsa-3374
http://www.debian.org/security/2016/dsa-3475
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.postgresql.org/about/news/1615/ Vendor Advisory
http://www.postgresql.org/docs/9.0/static/release-9-0-23.html Vendor Advisory
http://www.postgresql.org/docs/9.1/static/release-9-1-19.html Vendor Advisory
http://www.postgresql.org/docs/9.2/static/release-9-2-14.html Vendor Advisory
http://www.postgresql.org/docs/9.3/static/release-9-3-10.html Vendor Advisory
http://www.postgresql.org/docs/9.4/static/release-9-4-5.html Vendor Advisory
http://www.securityfocus.com/bid/77049
http://www.securitytracker.com/id/1033775
http://www.ubuntu.com/usn/USN-2772-1
https://security.gentoo.org/glsa/201701-33
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