Is CVE-2010-4409 in the CISA KEV catalog?

No. CVE-2010-4409 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2010-4409?

CVE-2010-4409 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2010-4409?

CVE-2010-4409 has an EPSS score of 18.88% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2010-4409

MEDIUMEPSS 97th pctl

5.0

CVSS v2

NVD

Description

Integer overflow in the NumberFormatter::getSymbol (aka numfmt_get_symbol) function in PHP 5.3.3 and earlier allows context-dependent attackers to cause a denial of service (application crash) via an invalid argument.

CWE-189

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

18.88%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052836.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052845.html
http://lists.opensuse.org/opensuse-updates/2012-01/msg00035.html
http://secunia.com/advisories/42812
http://secunia.com/advisories/47674
http://support.apple.com/kb/HT4581
http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/formatter/formatter_attr.c?r1=305571&r2=305570&pathrev=305571
http://svn.php.net/viewvc?view=revision&revision=305571
http://www.exploit-db.com/exploits/15722
http://www.kb.cert.org/vuls/id/479900
http://www.mandriva.com/security/advisories?name=MDVSA-2010:254
http://www.mandriva.com/security/advisories?name=MDVSA-2010:255
http://www.php.net/ChangeLog-5.php
http://www.securityfocus.com/archive/1/515142/100/0/threaded
http://www.securityfocus.com/bid/45119
http://www.ubuntu.com/usn/USN-1042-1
http://www.vupen.com/english/advisories/2011/0020
http://www.vupen.com/english/advisories/2011/0021
http://www.vupen.com/english/advisories/2011/0077

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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 2026-04-29.