CVE-2015-3165

CVE-2015-3165 is a medium-severity vulnerability in Postgresql with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 9% (94th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Postgresql
• Published: 2015-05-28
• Last modified: 2026-06-17

Description

Double free vulnerability in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.2 allows remote attackers to cause a denial of service (crash) by closing an SSL session at a time when the authentication timeout will expire during the session shutdown sequence.

Frequently asked questions

What is CVE-2015-3165?

Double free vulnerability in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.2 allows remote attackers to cause a denial of service (crash) by closing an SSL session at a time when the authentication timeout will expire during the session shutdown sequence.

How severe is CVE-2015-3165?

CVE-2015-3165 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-3165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3165?

CVE-2015-3165 primarily affects Postgresql. In total, 44 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-3165?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-3165 published?

CVE-2015-3165 was published on 2015-05-28 and last updated on 2026-06-17.

References

• http://lists.apple.com/archives/security-announce/2015/Sep/msg00004.html
• http://rhn.redhat.com/errata/RHSA-2015-1194.html
• http://rhn.redhat.com/errata/RHSA-2015-1195.html
• http://rhn.redhat.com/errata/RHSA-2015-1196.html
• http://www.debian.org/security/2015/dsa-3269
• http://www.debian.org/security/2015/dsa-3270
• http://www.postgresql.org/about/news/1587/
• http://www.postgresql.org/docs/9.0/static/release-9-0-20.html
• http://www.postgresql.org/docs/9.1/static/release-9-1-16.html
• http://www.postgresql.org/docs/9.2/static/release-9-2-11.html
• http://www.postgresql.org/docs/9.3/static/release-9-3-7.html
• http://www.postgresql.org/docs/9.4/static/release-9-4-2.html
• http://www.securityfocus.com/bid/74787
• http://www.ubuntu.com/usn/USN-2621-1
• https://security.gentoo.org/glsa/201507-20
• https://support.apple.com/HT205219

Affected products (44)

• cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:mac_os_x_server:5.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.7:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.8:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.9:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.10:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.11:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.12:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.13:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.14:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.1.15:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2.8:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2.9:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.2.10:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.3.4:*:*:*:*:*:*:*

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