{"id":"UBUNTU-CVE-2017-14952","details":"Double free in i18n/zonemeta.cpp in International Components for Unicode (ICU) for C/C++ through 59.1 allows remote attackers to execute arbitrary code via a crafted string, aka a \"redundant UVector entry clean up function call\" issue.","modified":"2026-04-22T11:04:15.550772Z","published":"2017-10-16T00:00:00Z","related":["USN-3458-1","USN-3458-2"],"upstream":["CVE-2017-14952"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-14952"},{"type":"REPORT","url":"http://bugs.icu-project.org/trac/changeset/40324/trunk/icu4c/source/i18n/zonemeta.cpp"},{"type":"REPORT","url":"http://www.sourcebrella.com/blog/double-free-vulnerability-international-components-unicode-icu/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3458-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3458-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-14952"}],"affected":[{"package":{"name":"icu","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/icu@52.1-3ubuntu0.7?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"52.1-3ubuntu0.7"}]}],"versions":["4.8.1.1-12ubuntu2","4.8.1.1-13+nmu1","4.8.1.1-13+nmu1ubuntu1","52.1-3","52.1-3ubuntu0.2","52.1-3ubuntu0.3","52.1-3ubuntu0.4","52.1-3ubuntu0.5","52.1-3ubuntu0.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"52.1-3ubuntu0.7","binary_name":"icu-devtools"},{"binary_version":"52.1-3ubuntu0.7","binary_name":"libicu52"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14952.json"}},{"package":{"name":"icu","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/icu@55.1-7ubuntu0.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"55.1-7ubuntu0.3"}]}],"versions":["55.1-4ubuntu1","55.1-6ubuntu1","55.1-7","55.1-7ubuntu0.1","55.1-7ubuntu0.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"55.1-7ubuntu0.3","binary_name":"icu-devtools"},{"binary_version":"55.1-7ubuntu0.3","binary_name":"libicu55"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-14952.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"},{"type":"Ubuntu","score":"medium"}]}