CVE-2013-0255

CVE-2013-0255 is a medium-severity vulnerability in Postgresql with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.8)
• EPSS exploit prediction: 4% (88th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-20
• Affected product: Postgresql
• Published: 2013-02-13
• Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.

How severe is CVE-2013-0255?

CVE-2013-0255 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2013-0255 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-0255?

CVE-2013-0255 primarily affects Postgresql. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-0255?

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

When was CVE-2013-0255 published?

CVE-2013-0255 was published on 2013-02-13 and last updated on 2026-06-16.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098586.html
• http://lists.opensuse.org/opensuse-updates/2013-02/msg00059.html
• http://lists.opensuse.org/opensuse-updates/2013-02/msg00060.html
• http://osvdb.org/89935
• http://rhn.redhat.com/errata/RHSA-2013-1475.html
• http://secunia.com/advisories/51923
• http://secunia.com/advisories/52819
• http://securitytracker.com/id?1028092
• http://www.debian.org/security/2013/dsa-2630
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:142
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• http://www.postgresql.org/docs/8.3/static/release-8-3-23.html
• http://www.postgresql.org/docs/8.4/static/release-8-4-16.html
• http://www.postgresql.org/docs/9.0/static/release-9-0-12.html
• http://www.postgresql.org/docs/9.1/static/release-9-1-8.html
• http://www.postgresql.org/docs/9.2/static/release-9-2-3.html
• http://www.securityfocus.com/bid/57844
• http://www.ubuntu.com/usn/USN-1717-1
• https://blogs.oracle.com/sunsecurity/entry/cve_2013_0255_array_index
• https://bugzilla.redhat.com/show_bug.cgi?id=907892
• https://exchange.xforce.ibmcloud.com/vulnerabilities/81917

Affected products (59)

• cpe:2.3:a:postgresql:postgresql:8.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.7:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.8:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.9:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.10:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.11:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.12:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.13:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.14:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.15:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.16:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.17:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.18:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.19:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.20:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.21:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.3.22:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.6:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.7:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.9:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.10:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.11:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.12:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.13:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.14:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.4.15:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.0:*:*:*:*:*:*:*

More vulnerabilities in Postgresql

• CVE-2013-1903 — Critical (CVSS 10.0): PostgreSQL, possibly 9.2.x before 9.2.4, 9.1.x before 9.1.9, 9.0.x before 9.0.13, 8.4.x before 8.4.17, and 8.3.x before…
• CVE-2013-1902 — Critical (CVSS 10.0): PostgreSQL, 9.2.x before 9.2.4, 9.1.x before 9.1.9, 9.0.x before 9.0.13, 8.4.x before 8.4.17, and 8.3.x before 8.3.23…
• CVE-2007-3279 — Critical (CVSS 10.0): PostgreSQL 8.1 and probably later versions, when the PL/pgSQL (plpgsql) language has been created, grants certain…
• CVE-2002-1399 — Critical (CVSS 10.0): Unknown vulnerability in cash_out and possibly other functions in PostgreSQL 7.2.1 and earlier, and possibly later…
• CVE-2015-0244 — Critical (CVSS 9.8): PostgreSQL before 9.0.19, 9.1.x before 9.1.15, 9.2.x before 9.2.10, 9.3.x before 9.3.6, and 9.4.x before 9.4.1 does not…
• CVE-2015-3166 — Critical (CVSS 9.8): The snprintf implementation 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,…

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