What is CVE-2009-2942?

CVE-2009-2942 is a vulnerability in MySQL. Published 2009-10-22.

Is CVE-2009-2942 known to be exploited?

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

Vulnerability in MySQL

CVE-2009-2942

The mysql-ocaml bindings 1.0.4 for MySQL do not properly support the mysql_real_escape_string function, which might allow remote attackers to leverage escaping issues involving multibyte character encodings.

Published 2009-10-22 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.023 (82.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

MySQL
Mysql-Ocaml — versions 1.0.4

Public proof-of-concept exploits

scmanjarrez/CVEScannerV2

References

www.osvdb.org/59030 (vdb-entry)
secunia.com/advisories/37047 (Vendor Advisory, third-party-advisory)
www.debian.org/security/2009/dsa-1910 (vendor-advisory)
www.mandriva.com/security/advisories (vendor-advisory)

Frequently asked questions

What is CVE-2009-2942?: CVE-2009-2942 is a vulnerability in MySQL. Published 2009-10-22.
Is CVE-2009-2942 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.