Description
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.
CVSS Vector Breakdown
AV:NAccess VectorAC:LAccess ComplexityAu:NAuthenticationC:PConfidentialityI:PIntegrityA:PAvailabilityWeaknesses
Affected Products
Exploitability
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View exploit detailsAttack Graph
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MITRE ATT&CK
2 techniquesReferences
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