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International Components For Unicode CVE-2014-7940

HIGH
Resource Management Errors (CWE-399)
2015-01-22 chrome-cve-admin@google.com
Denial Of Service Chrome Google International Components For Unicode Icu Project
7.5
CVSS 2.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-399
Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 2.42%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 2.4% exploitation probability (EPSS)

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AnalysisAI

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-399. The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence. Affected products include: Google Chrome, Icu-Project International Components For Unicode. Version information: before 40.0.2214.91.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
P
Integrity
P
Availability
P

DescriptionCVE.org

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Threat Intelligence Overview

EPSS Score
2.4%
Top 15% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 2.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:*

More in International Components For Unicode

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CVE-2014-8147 HIGH POC
7.5 May 25

The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in I
CVE-2014-8146 HIGH POC
7.5 May 25

The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in I
CVE-2017-17484 CRITICAL POC
9.8 Dec 10

The ucnv_UTF8FromUTF8 function in ucnv_u8.cpp in International Components for Unicode (ICU) for C/C++ through 60.1 misha
CVE-2016-6293 CRITICAL POC
9.8 Jul 25

The uloc_acceptLanguageFromHTTP function in common/uloc.cpp in International Components for Unicode (ICU) through 57.1 f
CVE-2016-7415 CRITICAL POC
9.8 Sep 17

Stack-based buffer overflow in the Locale class in common/locid.cpp in International Components for Unicode (ICU) throug
CVE-2017-14952 CRITICAL
9.8 Oct 16

Double free in i18n/zonemeta.cpp in International Components for Unicode (ICU) for C/C++ through 59.1 allows remote atta
CVE-2018-18928 CRITICAL
9.8 Nov 04

International Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in number::impl::DecimalQuantity::toSc
CVE-2015-5922 CRITICAL
10.0 Oct 09

Unspecified vulnerability in International Components for Unicode (ICU) before 53.1.0, as used in Apple OS X before 10.1
CVE-2014-9911 CRITICAL
9.8 Jan 04

Stack-based buffer overflow in the ures_getByKeyWithFallback function in common/uresbund.cpp in International Components
CVE-2014-9654 CRITICAL
9.8 Apr 24

The Regular Expressions package in International Components for Unicode (ICU) for C/C++ before 2014-12-03, as used in Go
CVE-2020-10531 HIGH
8.8 Mar 12

An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. Rated high severity (CVSS

CVE-2025-5222 HIGH
7.0 May 27

A stack buffer overflow was found in Internationl components for unicode (ICU ). Rated high severity (CVSS 7.0), this vu

Same weakness CWE-399 – Resource Management Errors

View all
CVE-2013-3893 HIGH POC
8.8
CVE-2013-0025 CRITICAL POC
9.3
CVE-2015-0064 CRITICAL POC
9.3
CVE-2015-0065 CRITICAL POC
9.3
CVE-2013-3846 CRITICAL POC
9.3
CVE-2016-5427 HIGH
7.5
CVE-2013-0233 MEDIUM POC
6.8
CVE-2013-1305 HIGH
7.8

Same technique Denial Of Service

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CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

References

Advisories & patches
REF http://advisories.mageia.org/MGASA-2015-0047.html REF http://googlechromereleases.blogspot.com/2015/01/stable-update.html REF http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html REF http://rhn.redhat.com/errata/RHSA-2015-0093.html REF http://secunia.com/advisories/62383 REF http://secunia.com/advisories/62575 REF http://secunia.com/advisories/62665 REF http://security.gentoo.org/glsa/glsa-201502-13.xml REF http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html REF http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html REF http://www.securityfocus.com/bid/72288 REF http://www.securitytracker.com/id/1031623 REF http://www.ubuntu.com/usn/USN-2476-1 REF https://chromium.googlesource.com/chromium/deps/icu/+/866ff696e9022a6000afbab516fba62cfa306075 REF https://chromium.googlesource.com/chromium/src.git/+/87feb77547781a22b31c423bc0d57b7dca32d5b8 REF https://code.google.com/p/chromium/issues/detail?id=433866 REF https://security.gentoo.org/glsa/201503-06 REF https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

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