High 7.5Published May 25, 2015

CVE-2014-8146The 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 d…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects apple itunes and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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: 7.5 HIGH (v2.0, NVD)AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

apple itunes apple:itunes	through 12.1.3	NVD
apple iphone_os apple:iphone_os	through 8.2	NVD
apple mac_os_x apple:mac_os_x	through 10.10.4	NVD
apple watchos apple:watchos	through 1.0.1	NVD
icu-project international_components_for_unicode icu-project:international_components_for_unicode	before 55.1	NVD

References

References

http://bugs.icu-project.org/trac/changeset/37162	issue-tracking, vendor-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	exploit, mailing-list, third-party-advisory
http://www.debian.org/security/2015/dsa-3323	third-party-advisory
http://www.kb.cert.org/vuls/id/602540	third-party-advisory, us-government-resource
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html	third-party-advisory
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.