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CVE-2025-5222

Icu: stack buffer overflow in the srbroot::addtag function

Published: May 27, 2025Updated: Apr 23, 2026 Sources: CVE List NVD BDUCWE-120
NVD MITRE
7.0CVSSHIGH
EPSS Score
0.3%
Top 79.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:HPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-120

Affected Products

international components for unicodeunicode
Library
OSS Libraries / generic-library
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
unicodeoss-projectUSOSS Librariesaka unicode consortium
canonical ltd.commercialGBOperating Systemsaka canonical
red hat inc.commercialUSOperating Systemsaka red hat
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «ред софт»commercialRUOperating Systemsaka red soft
and 18 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2025:11888
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:12083
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:12331
access.redhat.com
and 20 more references View all →

Timeline

Published
May 27, 2025
Last Updated
Apr 23, 2026

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