CVE-2025-5222
Publication date 27 May 2025
Last updated 11 July 2025
Ubuntu priority
Cvss 3 Severity Score
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 | 25.04 plucky |
Vulnerable, fix deferred
|
24.04 LTS noble |
Vulnerable, fix deferred
|
|
22.04 LTS jammy |
Vulnerable, fix deferred
|
|
20.04 LTS focal |
Vulnerable, fix deferred
|
|
18.04 LTS bionic |
Vulnerable, fix deferred
|
|
16.04 LTS xenial |
Vulnerable, fix deferred
|
|
14.04 LTS trusty |
Vulnerable, fix deferred
|
Notes
mdeslaur
as of 2025-05-28, there is no fix available from ICU developers 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 |
|
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 |