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 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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Au:NAuthenticationNone
Impact
C:PConfidentialityPartial
I:PIntegrityPartial
A:PAvailabilityPartial
Weaknesses
Affected Products
and 1 more affected products View all →
Exploitability
Official Patch Available
References
https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt
raw.githubusercontent.com
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
lists.apple.com
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
oracle.com
and 22 more references View all →
Timeline
Published
May 25, 2015
Last Updated
May 6, 2026
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