Inconsistent Integer Data Type Vulnerability in ICU4C's resolveImplicitLevels Function

CVE-2014-8147 · HIGH Severity

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

The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 uses an integer data type that is inconsistent with a header file, which allows remote attackers to cause a denial of service (incorrect malloc followed by invalid free) or possibly execute arbitrary code via crafted text.

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