CVE-2014-8146

iTunes < 12.1.3 - Heap-Based Buffer Overflow in Unicode Bidirectional Algorithm

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2014-8146.

AI-analyzed exploit summary This is a technical writeup detailing two vulnerabilities (CVE-2014-8146 and CVE-2014-8147) in the ICU library, including root cause analysis, affected code snippets, and references to proof-of-concept files. It explains heap overflow and integer overflow issues in the `ubidi.c` file.

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.

Exploits (1)

exploitdb WRITEUP
localmultiple
https://www.exploit-db.com/exploits/43887

This is a technical writeup detailing two vulnerabilities (CVE-2014-8146 and CVE-2014-8147) in the ICU library, including root cause analysis, affected code snippets, and references to proof-of-concept files. It explains heap overflow and integer overflow issues in the `ubidi.c` file.

Classification
Writeup 100%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: ICU library versions 52 to 54
No auth needed
Prerequisites: Vulnerable version of ICU library (52-54) · Application using the ICU library (e.g., LibreOffice)
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (19)

Core 19
Core References
Third Party Advisory x_refsource_confirm
https://support.apple.com/HT205221
Issue Tracking, Vendor Advisory x_refsource_confirm
http://bugs.icu-project.org/trac/changeset/37162
Third Party Advisory x_refsource_confirm
https://support.apple.com/HT205212
Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201507-04
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/602540
Third Party Advisory x_refsource_confirm
https://support.apple.com/HT205267
Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2015/May/14
Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.html
Mailing List mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2015/05/05/6
Third Party Advisory x_refsource_confirm
https://support.apple.com/HT205213
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/74457
Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2015/dsa-3323

Scores

EPSS 0.2429
EPSS Percentile 97.6%

Details

CWE
CWE-119
Status published
Products (5)
apple/iphone_os < 8.2
apple/itunes < 12.1.3
apple/mac_os_x < 10.10.4
apple/watchos < 1.0.1
icu-project/international_components_for_unicode < 55.1
Published May 25, 2015
Tracked Since Feb 18, 2026