HOMEVULNERABILITIESCVE-2025-5222
HIGH

CVE-2025-5222

CWE-120Published: May 27, 2025· Updated: Jul 14, 2026

7.0
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2025-5222 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.0.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

unicode1 product(s)
international components for unicode
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://access.redhat.com/errata/RHSA-2025:11888
ADVISORYhttps://access.redhat.com/errata/RHSA-2025:12083
ADVISORYhttps://access.redhat.com/errata/RHSA-2025:12331
ADVISORYhttps://access.redhat.com/errata/RHSA-2025:12332
ADVISORYhttps://access.redhat.com/errata/RHSA-2025:12333
ADVISORYhttps://access.redhat.com/security/cve/CVE-2025-5222

All References (10)

→
https://access.redhat.com/errata/RHSA-2025:11888Vendor Advisory
→
https://access.redhat.com/errata/RHSA-2025:12083Vendor Advisory
→
https://access.redhat.com/errata/RHSA-2025:12331Vendor Advisory
→
https://access.redhat.com/errata/RHSA-2025:12332Vendor Advisory
→
https://access.redhat.com/errata/RHSA-2025:12333Vendor Advisory
→
https://access.redhat.com/security/cve/CVE-2025-5222Vendor Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=2368600Issue Tracking
→
https://unicode-org.atlassian.net/jira/software/c/projects/ICU/issues/ICU-22957
→
https://lists.debian.org/debian-lts-announce/2025/06/msg00015.htmlMailing List
→
https://cert-portal.siemens.com/productcert/html/ssa-585531.html

Quick Facts

CVE IDCVE-2025-5222
CVSS Score7.0 / 10
SeverityHIGH
WeaknessCWE-120
CISA KEVNo
Affected1 vendor(s)
PublishedMay 27, 2025

Related CVEs (CWE-120)

CVE-2011-4862
10.0
CVE-2001-0554
10.0
CVE-2022-31481
10.0
CVE-2022-20827
10.0
CVE-2002-1337
10.0
CVE-1999-1237
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-5222 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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