CVE-2025-5222
High
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.
SeverityHigh
CVSS7.0
Exploit probability38. percentile0.4%
ProductInternational Components For Unicode
PublishedMay 27, 2025
First seenMay 27, 2025
Weakness typeCWE-120CWE-120
How to fix
Update
- unicode international_components_for_unicode77.1 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2025:11888
- access.redhat.com/errata/RHSA-2025:12083
- access.redhat.com/errata/RHSA-2025:12331
- access.redhat.com/errata/RHSA-2025:12332
- access.redhat.com/errata/RHSA-2025:12333
- access.redhat.com/security/cve/CVE-2025-5222
- access.redhat.com/errata/RHSA-2026:54544
- access.redhat.com/errata/RHSA-2026:54553
- access.redhat.com/errata/RHSA-2026:54581
- access.redhat.com/errata/RHSA-2026:56786
- access.redhat.com/errata/RHSA-2026:56853
- access.redhat.com/errata/RHSA-2026:56911
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| unicode international_components_for_unicode | v < 77.1 | 77.1 |
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