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CVE-2012-2655

18
FAUCET Score

CVE-2012-2655 describes a denial-of-service vulnerability affecting PostgreSQL versions 8.3.x, 8.4.x, 9.0.x, and 9.1.x prior to specific patch levels. An authenticated remote user can crash the server by manipulating a procedural language's call handler with SECURITY DEFINER or SET attributes. The vulnerability has a CVSS score of 4.0, indicating a low severity, with a network attack vector and potential for partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.3CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:8.3:*:*:*:*:*:*:*
8.3.1CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:8.3.1:*:*:*:*:*:*:*
8.3.2CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:8.3.2:*:*:*:*:*:*:*
8.3.3CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:8.3.3:*:*:*:*:*:*:*
8.3.4CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:8.3.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.93%
Probability of exploitation in next 30 days
EPSS Percentile
85.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0293 is in the 95th percentile among its peer group of 21,957 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: postgresql84-0:8.4.12-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: postgresql-0:8.4.12-1.el6_2
View patch

Vendor Advisories (1)

redhatCVE-2012-2655Low

postgresql: Ability of database owners to install procedural languages via CREATE LANGUAGE found unsafe (DoS)

May 30, 2012

References

lists.fedoraproject.org / pipermail/package-announce/2012-June/082258.html
lists.fedoraproject.org / pipermail/package-announce/2012-June/082292.html
lists.fedoraproject.org / pipermail/package-announce/2012-June/082294.html
lists.opensuse.org / opensuse-updates/2012-09/msg00102.html
lists.opensuse.org / opensuse-updates/2012-10/msg00013.html
lists.opensuse.org / opensuse-updates/2012-10/msg00024.html
rhn.redhat.com / errata/RHSA-2012-1037.html
secunia.com / advisories/50718
debian.org / security/2012/dsa-2491
mandriva.com / security/advisories
postgresql.org / about/news/1398
Vendor Advisory