CVE-2025-5222 describes a stack buffer overflow in International Components for Unicode (ICU) that occurs when processing the 'subtag' struct within the genrb binary's SRBRoot::addTag function. This vulnerability, affecting unicode international_components_for_unicode, carries a high severity CVSS score of 7.0, indicating a local attack vector with high attack complexity, requiring user interaction, and potentially leading to memory corruption and local arbitrary code execution. Currently, there is no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion, with the vulnerability not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 77.1CPE matchmatch criteria | cpe:2.3:a:unicode:international_components_for_unicode:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.