Is CVE-2009-2940 in the CISA KEV catalog?

No. CVE-2009-2940 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-2940?

CVE-2009-2940 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2009-2940?

CVE-2009-2940 has an EPSS score of 2.70% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-2940?

Upgrade pygresql on debian 11 to 1:4.0-1 or later.

CVE & CISA-KEV Catalog

CVE-2009-2940

HIGHEPSS 84th pctl

7.5

CVSS v2

NVD

Description

The pygresql module 3.8.1 and 4.0 for Python does not properly support the PQescapeStringConn function, which might allow remote attackers to leverage escaping issues involving multibyte character encodings.

How to fix

Remediation Available

pygresqlDebian

Fixed in:1:4.0-1CVE-2009-2940

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.70%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Vendor Advisory1

secunia.com

Other references4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.