The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference.
Published 2011-02-19 01:00:03
Updated 2018-10-10 20:09:48
Source CERT/CC
View at NVD,
Vulnerability category: Memory CorruptionDenial of service

Threat overview for CVE-2011-0420

Top countries where our scanners detected CVE-2011-0420
Top open port discovered on systems with this issue 80
IPs affected by CVE-2011-0420 1,520
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-0420!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-0420

Probability of exploitation activity in the next 30 days EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-0420

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

References for CVE-2011-0420

Products affected by CVE-2011-0420

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