{"id":"UBUNTU-CVE-2023-52389","details":"UTF32Encoding.cpp in POCO has a Poco::UTF32Encoding integer overflow and resultant stack buffer overflow because Poco::UTF32Encoding::convert() and Poco::UTF32::queryConvert() may return a negative integer if a UTF-32 byte sequence evaluates to a value of 0x80000000 or higher. This is fixed in 1.11.8p2, 1.12.5p2, and 1.13.0.","modified":"2026-05-20T16:13:59.071380340Z","published":"2024-01-27T03:15:00Z","upstream":["CVE-2023-52389"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-52389"},{"type":"REPORT","url":"https://pocoproject.org/blog/?p=1226"},{"type":"REPORT","url":"https://github.com/pocoproject/poco/issues/4320"},{"type":"REPORT","url":"https://github.com/pocoproject/poco/commit/62f875dfe1298041289f926a6a1a39cb765b13ee"},{"type":"REPORT","url":"https://github.com/pocoproject/poco/compare/poco-1.12.5p2-release...poco-1.13.0-release"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-52389"}],"affected":[{"package":{"name":"poco","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/poco?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.6p1-4","1.3.6p1-4+deb7u1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.6p1-4+deb7u1build1","binary_name":"libpococrypto9"},{"binary_name":"libpocodata9","binary_version":"1.3.6p1-4+deb7u1build1"},{"binary_version":"1.3.6p1-4+deb7u1build1","binary_name":"libpocofoundation9"},{"binary_name":"libpocomysql9","binary_version":"1.3.6p1-4+deb7u1build1"},{"binary_version":"1.3.6p1-4+deb7u1build1","binary_name":"libpoconet9"},{"binary_name":"libpoconetssl9","binary_version":"1.3.6p1-4+deb7u1build1"},{"binary_name":"libpocoodbc9","binary_version":"1.3.6p1-4+deb7u1build1"},{"binary_version":"1.3.6p1-4+deb7u1build1","binary_name":"libpocosqlite9"},{"binary_name":"libpocoutil9","binary_version":"1.3.6p1-4+deb7u1build1"},{"binary_version":"1.3.6p1-4+deb7u1build1","binary_name":"libpocoxml9"},{"binary_name":"libpocozip9","binary_version":"1.3.6p1-4+deb7u1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-52389.json"}},{"package":{"name":"poco","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/poco?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.6p1-5.1","1.3.6p1-5.1build1","1.3.6p1-5.1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libpococrypto9v5","binary_version":"1.3.6p1-5.1ubuntu0.1"},{"binary_version":"1.3.6p1-5.1ubuntu0.1","binary_name":"libpocodata9v5"},{"binary_version":"1.3.6p1-5.1ubuntu0.1","binary_name":"libpocofoundation9v5"},{"binary_version":"1.3.6p1-5.1ubuntu0.1","binary_name":"libpocomysql9v5"},{"binary_name":"libpoconet9v5","binary_version":"1.3.6p1-5.1ubuntu0.1"},{"binary_name":"libpoconetssl9v5","binary_version":"1.3.6p1-5.1ubuntu0.1"},{"binary_name":"libpocoodbc9v5","binary_version":"1.3.6p1-5.1ubuntu0.1"},{"binary_name":"libpocosqlite9v5","binary_version":"1.3.6p1-5.1ubuntu0.1"},{"binary_version":"1.3.6p1-5.1ubuntu0.1","binary_name":"libpocoutil9v5"},{"binary_version":"1.3.6p1-5.1ubuntu0.1","binary_name":"libpocoxml9v5"},{"binary_version":"1.3.6p1-5.1ubuntu0.1","binary_name":"libpocozip9v5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-52389.json"}},{"package":{"name":"poco","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/poco?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.8+dfsg1-2","1.7.8+dfsg1-3","1.8.0.1-1ubuntu4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.8.0.1-1ubuntu4","binary_name":"libpococrypto50"},{"binary_name":"libpocodata50","binary_version":"1.8.0.1-1ubuntu4"},{"binary_name":"libpocodatamysql50","binary_version":"1.8.0.1-1ubuntu4"},{"binary_name":"libpocodataodbc50","binary_version":"1.8.0.1-1ubuntu4"},{"binary_version":"1.8.0.1-1ubuntu4","binary_name":"libpocodatasqlite50"},{"binary_name":"libpocofoundation50","binary_version":"1.8.0.1-1ubuntu4"},{"binary_name":"libpocojson50","binary_version":"1.8.0.1-1ubuntu4"},{"binary_name":"libpocomongodb50","binary_version":"1.8.0.1-1ubuntu4"},{"binary_version":"1.8.0.1-1ubuntu4","binary_name":"libpoconet50"},{"binary_version":"1.8.0.1-1ubuntu4","binary_name":"libpoconetssl50"},{"binary_name":"libpocoredis50","binary_version":"1.8.0.1-1ubuntu4"},{"binary_name":"libpocoutil50","binary_version":"1.8.0.1-1ubuntu4"},{"binary_version":"1.8.0.1-1ubuntu4","binary_name":"libpocoxml50"},{"binary_name":"libpocozip50","binary_version":"1.8.0.1-1ubuntu4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-52389.json"}},{"package":{"name":"poco","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/poco?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.2-3ubuntu2","1.9.2-3ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.9.2-3ubuntu3","binary_name":"libpococrypto62"},{"binary_version":"1.9.2-3ubuntu3","binary_name":"libpocodata62"},{"binary_name":"libpocodatamysql62","binary_version":"1.9.2-3ubuntu3"},{"binary_name":"libpocodataodbc62","binary_version":"1.9.2-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