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.
Published 2015-05-25 22:59:00
Updated 2019-04-23 19:29:20
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowExecute codeDenial of service

Products affected by CVE-2014-8146

Threat overview for CVE-2014-8146

Top countries where our scanners detected CVE-2014-8146
Top open port discovered on systems with this issue 548
IPs affected by CVE-2014-8146 1,275
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2014-8146!
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Exploit prediction scoring system (EPSS) score for CVE-2014-8146

1.50%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2014-8146

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST

CWE ids for CVE-2014-8146

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2014-8146

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