Disclosure summary
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.
Source-reported weakness categories
CWE-120
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-5222
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| unicode | international_components_for_unicode | * {"versionEndExcluding":"77.1"} |
Original records & references
- NIST NVD record
- CVE Program record
- access.redhat.com — Vendor Advisory
- access.redhat.com — Vendor Advisory
- access.redhat.com — Vendor Advisory
- access.redhat.com — Vendor Advisory
- access.redhat.com — Vendor Advisory
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com — Vendor Advisory
- bugzilla.redhat.com — Issue Tracking
- unicode-org.atlassian.net
- lists.debian.org — Mailing List
- cert-portal.siemens.com
PUBLISHED 2025-05-27T17:15:23-04:00
MODIFIED 2026-10-08T20:17:06-04:00
INGESTED 2026-10-10T20:50:21-04:00