{"id":"CVE-2017-17484","details":"The ucnv_UTF8FromUTF8 function in ucnv_u8.cpp in International Components for Unicode (ICU) for C/C++ through 60.1 mishandles ucnv_convertEx calls for UTF-8 to UTF-8 conversion, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted string, as demonstrated by ZNC.","modified":"2026-03-20T11:18:59.908102Z","published":"2017-12-10T20:29:00.197Z","related":["SUSE-SU-2018:1401-1","SUSE-SU-2018:1401-2","SUSE-SU-2018:1602-1"],"references":[{"type":"ADVISORY","url":"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"},{"type":"REPORT","url":"https://ssl.icu-project.org/trac/ticket/13490"},{"type":"REPORT","url":"https://ssl.icu-project.org/trac/ticket/13510"},{"type":"REPORT","url":"https://github.com/znc/znc/issues/1459"},{"type":"REPORT","url":"https://ssl.icu-project.org/trac/changeset/40715"},{"type":"FIX","url":"https://ssl.icu-project.org/trac/changeset/40714"},{"type":"EVIDENCE","url":"https://ssl.icu-project.org/trac/attachment/ticket/13490/poc.cpp"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/unicode-org/icu","events":[{"introduced":"0"},{"last_affected":"89bae57bd0570109ca997e8b6b887f851b9c26e0"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"60.1"}]}}],"versions":["last-cvs-commit","milestone-59-0-1","milestone-60-0-1","release-59-rc","release-60-1","release-60-rc"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-17484.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}