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Vulnerability record · CVE-2014-8146 · published 25 May 2015

CVE-2014-8146: Apple itunes memory buffer overflow vulnerability

Apple · Itunes

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.

7.5 CVSS 2.0 High EPSS 24% · top 2.2% CWE-119 · Memory buffer overflow
7.5CVSS 2.0 base score
24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
38References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.icu-project.org/trac/changeset/37162 Issue TrackingVendor Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html Mailing List
http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.html Mailing List
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html Mailing List
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html Mailing List
http://openwall.com/lists/oss-security/2015/05/05/6 Mailing List
http://seclists.org/fulldisclosure/2015/May/14 ExploitMailing ListThird Party Advisory
http://www.debian.org/security/2015/dsa-3323 Third Party Advisory
http://www.kb.cert.org/vuls/id/602540 Third Party AdvisoryUS Government Resource
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html Patch
http://www.securityfocus.com/bid/74457 Third Party AdvisoryVDB Entry
https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt Exploit
https://security.gentoo.org/glsa/201507-04 Third Party Advisory
https://support.apple.com/HT205212 Third Party Advisory
https://support.apple.com/HT205213 Third Party Advisory
https://support.apple.com/HT205221 Third Party Advisory
https://support.apple.com/HT205267 Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
http://bugs.icu-project.org/trac/changeset/37162 Issue TrackingVendor Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html Mailing List
http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.html Mailing List
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html Mailing List
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html Mailing List
http://openwall.com/lists/oss-security/2015/05/05/6 Mailing List
http://seclists.org/fulldisclosure/2015/May/14 ExploitMailing ListThird Party Advisory
http://www.debian.org/security/2015/dsa-3323 Third Party Advisory
http://www.kb.cert.org/vuls/id/602540 Third Party AdvisoryUS Government Resource
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html Patch
http://www.securityfocus.com/bid/74457 Third Party AdvisoryVDB Entry
https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt Exploit
https://security.gentoo.org/glsa/201507-04 Third Party Advisory
https://support.apple.com/HT205212 Third Party Advisory
https://support.apple.com/HT205213 Third Party Advisory
https://support.apple.com/HT205221 Third Party Advisory
https://support.apple.com/HT205267 Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-8146), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.