| Package | Affected versions | Patched versions |
|---|---|---|
| itunes | ≤ 12.1.3 | |
| international components for unicode | < 55.1 | 55.1 |
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 (heap-based buffer overflow) or possibly execute arbitrary code via crafted text.
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