CVE-2025-5222
Publication date 27 May 2025
Last updated 15 September 2025
Ubuntu priority
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.
Read the notes from the security team
Why is this CVE low priority?
DoS in a command line tool only
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| icu | 25.10 questing |
Vulnerable
|
| 25.04 plucky |
Vulnerable
|
|
| 24.04 LTS noble |
Vulnerable
|
|
| 22.04 LTS jammy |
Vulnerable
|
|
| 20.04 LTS focal |
Vulnerable
|
|
| 18.04 LTS bionic |
Vulnerable
|
|
| 16.04 LTS xenial |
Vulnerable
|
|
| 14.04 LTS trusty |
Vulnerable
|
Notes
mdeslaur
This is only a stack overflow issue in a command-line tool. Because of compiler hardening, this is likely a DoS only.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.0 · High
|
| 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 |