CVE-2025-5222
Published: May 27, 2025Last modified: February 18, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7 |
| Attack Vector | LOCAL |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | icu | Fixed (72.1-r2) |
| 25 LTS | icu | Fixed (76.1-r1) | |
| Stream | icu | Fixed (76.1-r1) | |
| Hardened Containers | 23 LTS | icu | Fixed (72.1-r2) |
| 25 LTS | icu | Fixed (76.1-r1) | |
| Stream | icu | Fixed (76.1-r1) |
References
- https://access.redhat.com/errata/RHSA-2025:11888
- https://access.redhat.com/errata/RHSA-2025:12083
- https://access.redhat.com/errata/RHSA-2025:12331
- https://access.redhat.com/errata/RHSA-2025:12332
- https://access.redhat.com/errata/RHSA-2025:12333
- https://access.redhat.com/security/cve/CVE-2025-5222
- https://bugzilla.redhat.com/show_bug.cgi?id=2368600
- https://lists.debian.org/debian-lts-announce/2025/06/msg00015.html