Is CVE-2014-8147 in the CISA KEV catalog?

No. CVE-2014-8147 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-8147?

CVE-2014-8147 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2014-8147?

CVE-2014-8147 has an EPSS score of 23.35% (98th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-8147?

Upgrade icu on debian 11 to 52.1-9 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2014-8147

HIGHEPSS 98th pctl

7.5

CVSS v2

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 uses an integer data type that is inconsistent with a header file, which allows remote attackers to cause a denial of service (incorrect malloc followed by invalid free) or possibly execute arbitrary code via crafted text.

CWE-189

How to fix

Remediation Available

icuDebian

Fixed in:52.1-9CVE-2014-8147

icuUbuntu

Fixed in:52.1-3ubuntu0.3USN-2605-1

libicu52Ubuntu

Fixed in:52.1-3ubuntu0.3USN-2605-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

23.35%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

Patch1

oracle.com

Exploit2

Vendor Advisory1

bugs.icu-project.org

Third-Party Advisory7

Mailing List3

Other references2

Related Vulnerabilities

Other CWE-189 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-1538	High	10.0	99%	-	-
CVE-2006-3747	High	7.6	96%	-	Fix
CVE-2007-0071	High	9.3	93%	-	-
CVE-2015-3829	High	10.0	90%	-	-
CVE-2015-3864	High	10.0	87%	-	-
CVE-2015-1539	High	10.0	86%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.