What is CVE-2013-0255?

CVE-2013-0255 is a vulnerability in PostgreSQL, classified under Improper Input Validation. Published 2013-02-13.

Is CVE-2013-0255 known to be exploited?

17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in PostgreSQL

CVE-2013-0255

PostgreSQL 9.2.x before 9.2.3, 9.1.x before 9.1.8, 9.0.x before 9.0.12, 8.4.x before 8.4.16, and 8.3.x before 8.3.23 does not properly declare the enum_recv function in backend/utils/adt/enum.c, which causes it to be invoked with incorrect arguments and allows remote authenticated users to cause a denial of service (server crash) or read sensitive process memory via a crafted SQL command, which triggers an array index error and an out-of-bounds read.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2013-02-13 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.036 (89.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000

Affected products

PostgreSQL — versions 8.3, 8.3.1, 8.3.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

lists.fedoraproject.org/pipermail/package-announce/2013-February/098586.html (vendor-advisory)
www.debian.org/security/2013/dsa-2630 (vendor-advisory)
lists.opensuse.org/opensuse-updates/2013-02/msg00060.html (vendor-advisory)
lists.opensuse.org/opensuse-updates/2013-02/msg00059.html (vendor-advisory)
www.postgresql.org/docs/8.4/static/release-8-4-16.html
www.mandriva.com/security/advisories (vendor-advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/81917 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi
secunia.com/advisories/51923 (Vendor Advisory, third-party-advisory)
www.postgresql.org/docs/9.1/static/release-9-1-8.html

Frequently asked questions

What is CVE-2013-0255?: CVE-2013-0255 is a vulnerability in PostgreSQL, classified under Improper Input Validation. Published 2013-02-13.
Is CVE-2013-0255 known to be exploited?: 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.