CVE-2025-5222 HIGH

CVE-2025-5222: Icu: stack buffer overflow in the srbroot::addtag function

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-120
Published May 27, 2025
Last update April 22, 2026

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 27, 2025 CVE published
April 22, 2026 Record updated