CVE-2025-5222

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.

CVSS v3 7.0 HIGH

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2025:11888	Vendor Advisory
https://access.redhat.com/errata/RHSA-2025:12083	Vendor Advisory
https://access.redhat.com/errata/RHSA-2025:12331	Vendor Advisory
https://access.redhat.com/errata/RHSA-2025:12332	Vendor Advisory
https://access.redhat.com/errata/RHSA-2025:12333	Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:54544
https://access.redhat.com/errata/RHSA-2026:54553
https://access.redhat.com/errata/RHSA-2026:54581
https://access.redhat.com/errata/RHSA-2026:56786
https://access.redhat.com/errata/RHSA-2026:56853
https://access.redhat.com/errata/RHSA-2026:56911
https://access.redhat.com/errata/RHSA-2026:60019
https://access.redhat.com/errata/RHSA-2026:65839
https://access.redhat.com/security/cve/CVE-2025-5222	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2368600	Issue Tracking
https://unicode-org.atlassian.net/jira/software/c/projects/ICU/issues/ICU-22957
https://lists.debian.org/debian-lts-announce/2025/06/msg00015.html	Mailing List
https://cert-portal.siemens.com/productcert/html/ssa-585531.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:unicode:international_components_for_unicode:*:*:*:*:*:*:*:*

History

17 Sep 2026, 19:16

Type	Values Removed	Values Added
References		() https://access.redhat.com/errata/RHSA-2026:65839 -

Information

Published : 2025-05-27 21:15

Updated : 2026-10-21 21:17

NVD link : CVE-2025-5222

Mitre link : CVE-2025-5222

CVE.ORG link : CVE-2025-5222

JSON object : View

Products Affected

unicode

international_components_for_unicode

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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{"url": "https://unicode-org.atlassian.net/jira/software/c/projects/ICU/issues/ICU-22957", "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00015.html", "tags": ["Mailing List"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-585531.html", "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se detect\u00f3 un desbordamiento del b\u00fafer de pila en componentes internacionales para Unicode (ICU). Al ejecutar el binario genrb, la estructura 'subtag' se desbord\u00f3 en la funci\u00f3n SRBRoot::addTag. Este problema puede provocar corrupci\u00f3n de memoria y la ejecuci\u00f3n local de c\u00f3digo arbitrario."}], "lastModified": "2026-10-21T21:17:31.823", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:unicode:international_components_for_unicode:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BEA664A7-8E9A-490D-8FD8-CCF843C85E3E", "versionEndExcluding": "77.1"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}