{"id":"UBUNTU-CVE-2019-19246","details":"Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-based buffer over-read in str_lower_case_match in regexec.c.","modified":"2026-04-22T12:15:29.337455Z","published":"2019-11-25T17:15:00Z","related":["USN-4460-1","USN-5662-1"],"upstream":["CVE-2019-19246"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-19246"},{"type":"REPORT","url":"https://bugs.php.net/bug.php?id=78559"},{"type":"REPORT","url":"https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4460-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5662-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-19246"}],"affected":[{"package":{"name":"libonig","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libonig@5.9.1-1ubuntu1.1+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.1-1ubuntu1.1+esm2"}]}],"versions":["5.9.1-1","5.9.1-1ubuntu1","5.9.1-1ubuntu1.1","5.9.1-1ubuntu1.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libonig2","binary_version":"5.9.1-1ubuntu1.1+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-19246.json"}},{"package":{"name":"libonig","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libonig@5.9.6-1ubuntu0.1+esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.6-1ubuntu0.1+esm2"}]}],"versions":["5.9.6-1","5.9.6-1ubuntu0.1","5.9.6-1ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libonig2","binary_version":"5.9.6-1ubuntu0.1+esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-19246.json"}},{"package":{"name":"libonig","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libonig@6.7.0-1ubuntu0.1~esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.0-1ubuntu0.1~esm2"}]}],"versions":["6.5.0-1","6.6.1-1","6.7.0-1","6.7.0-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libonig4","binary_version":"6.7.0-1ubuntu0.1~esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-19246.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}