CVE-2009-2943

The postgresql-ocaml bindings 1.5.4, 1.7.0, and 1.12.1 for PostgreSQL libpq do not properly support the PQescapeStringConn function, which might allow remote attackers to leverage escaping issues involving multibyte character encodings.

Published: 2009-10-22 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-2943 is rated Moderate Risk (50.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.44%). Review affected assets and schedule 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-2009-2943

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 2025-03-30 1.39% 0.44% -0.95%
2 2025-03-29 0.44% 1.39% +0.95%
3 2025-03-19 — 0.44% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2943

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2009-2943

OS Trackers for CVE-2009-2943

vendor priority summary link
debian low CVE-2009-2943 low priority: Debian including 1 source packages (postgresql-ocaml), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2009-2943
redhat medium — https://access.redhat.com/security/cve/CVE-2009-2943
ubuntu low CVE-2009-2943 low priority: Ubuntu including 1 source packages (postgresql-ocaml), 10 status rows across 10 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): not-affected 4, ignored 3, released 3. https://ubuntu.com/security/CVE-2009-2943

Affected software / configurations for CVE-2009-2943

Vendor Product Version Raw CPE
ocaml postgresql-ocaml 1.5.4 cpe:2.3:a:ocaml:postgresql-ocaml:1.5.4:*:*:*:*:*:*:*
ocaml postgresql-ocaml 1.7.0 cpe:2.3:a:ocaml:postgresql-ocaml:1.7.0:*:*:*:*:*:*:*
ocaml postgresql-ocaml 1.12.1 cpe:2.3:a:ocaml:postgresql-ocaml:1.12.1:*:*:*:*:*:*:*

References for CVE-2009-2943

cvelogic Threat Intelligence