CVE-2014-8146
icu: heap overflow via incorrect isolateCount
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · May 5, 2015
Updated · June 27, 2026
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 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-787 · Out-of-bounds Write