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/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

No history.

Information

Published : 2025-05-27 21:15

Updated : 2026-09-03 15:17

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')

{"id": "CVE-2025-5222", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-5222", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2025-05-28T13:49:29.931272Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "affected": [{"source": "secalert@redhat.com", "affectedData": [{"versions": [{"status": "affected", "version": "0", "lessThan": "78.1", "versionType": "semver"}], "packageName": "icu", "collectionURL": "https://unicode-org.atlassian.net/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:10.0"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "versions": [{"status": "unaffected", "version": "0:74.2-5.el10_0", "lessThan": "*", "versionType": "rpm"}], "packageName": "icu", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/o:redhat:enterprise_linux:9::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:67.1-10.el9_6", "lessThan": "*", "versionType": "rpm"}], "packageName": "icu", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/o:redhat:enterprise_linux:9::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:67.1-10.el9_6", "lessThan": "*", "versionType": "rpm"}], "packageName": "icu", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.0::appstream", "cpe:/o:redhat:rhel_e4s:9.0::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:67.1-10.el9_0", "lessThan": "*", "versionType": "rpm"}], "packageName": "icu", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.2::appstream", "cpe:/o:redhat:rhel_e4s:9.2::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:67.1-10.el9_2", "lessThan": "*", "versionType": "rpm"}], "packageName": "icu", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_eus:9.4::appstream", "cpe:/o:redhat:rhel_eus:9.4::baseos"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.4 Extended Update Support", "versions": [{"status": "unaffected", "version": "0:67.1-10.el9_4", "lessThan": "*", "versionType": "rpm"}], "packageName": "icu", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.14::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.14", "versions": [{"status": "unaffected", "version": "414.92.202608172040-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhcos", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.15::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.15", "versions": [{"status": "unaffected", "version": "415.92.202608180329-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhcos", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.16::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.16", "versions": [{"status": "unaffected", "version": "416.94.202608150307-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhcos", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.17::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.17", "versions": [{"status": "unaffected", "version": "417.94.202608250221-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhcos", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.18::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.18", "versions": [{"status": "unaffected", "version": "418.94.202608111829-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhcos", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.19::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.19", "versions": [{"status": "unaffected", "version": "4.19.9.6.202608120446-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhcos", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4.20::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4.20", "versions": [{"status": "unaffected", "version": "4.20.9.6.202608121719-0", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhcos", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "packageName": "icu", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": "icu", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "packageName": "icu", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "packageName": "mingw-icu", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "openshift/ose-rhel-coreos-9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "affectedData": [{"vendor": "Siemens", "product": "SIDIS Secured SmartPlug", "versions": [{"status": "affected", "version": "0", "lessThan": "V7.26.0310", "versionType": "custom"}], "defaultStatus": "unknown"}]}], "published": "2025-05-27T21:15:23.030", "references": [{"url": "https://access.redhat.com/errata/RHSA-2025:11888", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2025:12083", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2025:12331", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2025:12332", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2025:12333", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:54544", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:54553", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:54581", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:56786", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:56853", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:56911", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:60019", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2025-5222", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2368600", "tags": ["Issue Tracking"], "source": "secalert@redhat.com"}, {"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": "2026-09-03T15:17:18.017", "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"}