unicode CVE Vulnerabilities & Metrics

Focus on unicode vulnerabilities and metrics.

Last updated: 21 Aug 2025, 22:25 UTC

About unicode Security Exposure

This page consolidates all known Common Vulnerabilities and Exposures (CVEs) associated with unicode. We track both calendar-based metrics (using fixed periods) and rolling metrics (using gliding windows) to give you a comprehensive view of security trends and risk evolution. Use these insights to assess risk and plan your patching strategy.

For a broader perspective on cybersecurity threats, explore the comprehensive list of CVEs by vendor and product. Stay updated on critical vulnerabilities affecting major software and hardware providers.

Global CVE Overview

Total unicode CVEs: 3
Earliest CVE date: 01 Jun 2018, 18:29 UTC
Latest CVE date: 27 May 2025, 21:15 UTC

Latest CVE reference: CVE-2025-5222

Rolling Stats

30-day Count (Rolling): 0
365-day Count (Rolling): 1

Calendar-based Variation

Calendar-based Variation compares a fixed calendar period (e.g., this month versus the same month last year), while Rolling Growth Rate uses a continuous window (e.g., last 30 days versus the previous 30 days) to capture trends independent of calendar boundaries.

Variations & Growth

Month Variation (Calendar): 0%
Year Variation (Calendar): 0%

Month Growth Rate (30-day Rolling): 0.0%
Year Growth Rate (365-day Rolling): 0.0%

Monthly CVE Trends (current vs previous Year)

Annual CVE Trends (Last 20 Years)

Critical unicode CVEs (CVSS ≥ 9) Over 20 Years

CVSS Stats

Average CVSS: 3.7

Max CVSS: 6.8

Critical CVEs (≥9): 0

CVSS Range vs. Count

Range Count
0.0-3.9 1
4.0-6.9 2
7.0-8.9 0
9.0-10.0 0

CVSS Distribution Chart

Top 5 Highest CVSS unicode CVEs

These are the five CVEs with the highest CVSS scores for unicode, sorted by severity first and recency.

All CVEs for unicode

CVE-2025-5222 unicode vulnerability CVSS: 0 27 May 2025, 21:15 UTC

A stack buffer overflow was found in Internationl components for unicode (ICU ). While running the genrb binary, the 'subtag' struct overflowed at the SRBRoot::addTag function. This issue may lead to memory corruption and local arbitrary code execution.

CVE-2020-21913 unicode vulnerability CVSS: 4.3 20 Sep 2021, 14:15 UTC

International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.

CVE-2016-10610 unicode vulnerability CVSS: 6.8 01 Jun 2018, 18:29 UTC

unicode-json is a unicode lookup table. unicode-json before 2.0.0 downloads data resources over HTTP, which leaves it vulnerable to MITM attacks.