CVE-2014-8147
icu: integer truncation in the resolveImplicitLevels function
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · May 5, 2015
Updated · November 21, 2025
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 1.2AV:L/AC:H/Au:N/C:N/I:N/A:P
CWE-190 · Integer Overflow or Wraparound