What is the CVSS score of CVE-2017-14952?

CVE-2017-14952 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.9%.

Is there a patch available for CVE-2017-14952?

Yes, a patch is available for CVE-2017-14952. Update the affected software to the latest version immediately.

International Components For Unicode CVE-2017-14952

CRITICAL

Double Free (CWE-415)

2017-10-16 cve@mitre.org

RCE International Components For Unicode Icu Project

9.8

CVSS 3.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-415 ASVS 5.0 V15 - Secure Coding and Architecture Double free prevention
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 2.94%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

Patch available 2.9% exploitation probability (EPSS)

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AnalysisAI

Double free in i18n/zonemeta.cpp in International Components for Unicode (ICU) for C/C++ through 59.1 allows remote attackers to execute arbitrary code via a crafted string, aka a "redundant UVector. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. 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-415. Double free in i18n/zonemeta.cpp in International Components for Unicode (ICU) for C/C++ through 59.1 allows remote attackers to execute arbitrary code via a crafted string, aka a "redundant UVector entry clean up function call" issue. Affected products include: Icu-Project International Components For Unicode. Version information: through 59.1.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

Threat Intelligence Overview

EPSS Score

2.9%

Top 13% 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 CRITICAL

CISA KEV No

Public POC No

EPSS 2.9%

Patch available Yes

Active threat No

Deciding rule

CRITICAL severity

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

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +3

CVSS: +49

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)CVE.org

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 Act Now 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 Act Now 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 Act Now 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 Act Now 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 Act Now 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-2018-18928 CRITICAL Act Now

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 Act Now

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 Act Now

9.8 Jan 04

Stack-based buffer overflow in the ures_getByKeyWithFallback function in common/uresbund.cpp in International Components

CVE-2014-9654 CRITICAL Act Now

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

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8.8 Mar 12

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

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7.0 May 27

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

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International Components for Unicode (ICU) for C/C++ before 2017-02-13 has an out-of-bounds write caused by a heap-based

Same weakness CWE-415 – Double Free

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CVE-2014-1767 HIGH POC

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CVE-2016-5772 CRITICAL POC

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CVE-2016-3132 CRITICAL POC

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CVE-2012-4681 CRITICAL POC

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CVE-2023-3519 CRITICAL POC

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CVE-2015-3113 CRITICAL POC

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References

Advisories & patches

PATCH http://bugs.icu-project.org/trac/changeset/40324/trunk/icu4c/source/i18n/zonemeta.cpp REF http://www.sourcebrella.com/blog/double-free-vulnerability-international-components-unicode-icu/ REF https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

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