CVE-2014-8147

Summary

CVECVE-2014-8147
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-05-25 22:59:01 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: CWE-189 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Mac Os X All All All All
Operating System Apple Watchos All All All All
Application Icu-project International Components For Unicode All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Pony Mail! af854a3a-2127-422b-91ae-364da2661108 lists.apache.org
About the security content of watchOS 2 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
ICU Project ICU4C Library Multiple Buffer Overflow Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
APPLE-SA-2015-09-30-3 OS X El Capitan 10.11 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com Mailing List
System dashboard - Unicode Consortium af854a3a-2127-422b-91ae-364da2661108 bugs.icu-project.org Issue Tracking, Vendor Advisory
Oracle Critical Patch Update - October 2015 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Patch
raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt af854a3a-2127-422b-91ae-364da2661108 raw.githubusercontent.com Exploit
Oracle Solaris Third Party Bulletin - October 2015 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
International Components for Unicode: Multiple vulnerabilities (GLSA 201507-04) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
Vulnerability Note VU#602540 - ICU Project ICU4C library contains multiple overflow vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org Third Party Advisory, US Government Resource
Oracle Critical Patch Update Advisory - April 2019 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
About the security content of OS X El Capitan v10.11 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
Debian -- Security Information -- DSA-3323-1 icu af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
oss-security - [CVE-2014-8146/8147] - ICU heap and integer overflows / I-C-U-FAIL af854a3a-2127-422b-91ae-364da2661108 openwall.com Mailing List
APPLE-SA-2015-09-21-1 watchOS 2 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com Mailing List
Full Disclosure: [CVE-2014-8146/8147] - ICU heap and integer overflows / I-C-U-FAIL af854a3a-2127-422b-91ae-364da2661108 seclists.org Exploit, Mailing List, Third Party Advisory
Pony Mail! MITRE lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report