CVE-2025-5222
High
Icu: stack buffer overflow in the srbroot::addtag function
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.
Exploit probability
0.3%
Published
May 27, 2025
Required by
Not available
Last source change
August 20, 2026
02 / AFFECTED SOFTWARE
Affected packages
58 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-5222
View original source
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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/downloads/content/package-browser/
- 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/errata/RHSA-2026:54544
- https://access.redhat.com/errata/RHSA-2026:54553
- https://access.redhat.com/errata/RHSA-2026:54581
- https://access.redhat.com/security/cve/CVE-2025-5222
- https://bugzilla.redhat.com/show_bug.cgi?id=2368600
- https://cert-portal.siemens.com/productcert/html/ssa-585531.html
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5222.json
- https://lists.debian.org/debian-lts-announce/2025/06/msg00015.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-5222
- https://unicode-org.atlassian.net/
- https://unicode-org.atlassian.net/jira/software/c/projects/ICU/issues/ICU-22957