Is CVE-2011-4599 in the CISA KEV catalog?

No. CVE-2011-4599 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-4599?

CVE-2011-4599 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2011-4599?

CVE-2011-4599 has an EPSS score of 8.00% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-4599?

Upgrade icu on debian 11 to 4.8.1.1-3 or later.

CVE & CISA-KEV Catalog

CVE-2011-4599

HIGHEPSS 94th pctl

7.5

CVSS v2

NVD

Description

Stack-based buffer overflow in the _canonicalize function in common/uloc.c in International Components for Unicode (ICU) before 49.1 allows remote attackers to execute arbitrary code via a crafted locale ID that is not properly handled during variant canonicalization.

CWE-119Buffer Overflow

How to fix

Remediation Available

icuDebian

Fixed in:4.8.1.1-3CVE-2011-4599

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

8.00%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch1

securityfocus.com

Vendor Advisory1

bugs.icu-project.org

Third-Party Advisory10

Mailing List2

VDB Entry1

exchange.xforce.ibmcloud.com

Other references6

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

Embed a live status badge for CVE-2011-4599

Markdown

[![CVE-2011-4599](https://tridentstack.com/cve/badge/CVE-2011-4599.svg)](https://tridentstack.com/cve/CVE-2011-4599)

HTML

<a href="https://tridentstack.com/cve/CVE-2011-4599"><img src="https://tridentstack.com/cve/badge/CVE-2011-4599.svg" alt="CVE-2011-4599"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2026-04-29.