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CVE-2010-4409

MEDIUM severity · CVSS 5 · CWE-189
5CVSS MEDIUM

Summary

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.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges required
User interaction
Confidentiality impactNone
Integrity impactNone
Availability impact
Exploit probability (EPSS)31%

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

Affected products we track (1)

PHP

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/formatter/formatter_attr.c?r1=305571&r2=305570&pathrev=305571 ↗

Last checked: Wed, 10 Jun 2026 22:18:30 UTC