Heap overflow

The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode ICU before 55.1 does not properly track directionally isolated pieces of text, which allows remote attackers to cause a denial of service...

CVE-2014-8147

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...