{"id":"UBUNTU-CVE-2019-11387","details":"An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-942-APPLICATION-ATTACK-SQLI.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with nested repetition operators.","modified":"2025-10-24T04:47:37Z","published":"2019-04-21T02:29:00Z","upstream":["CVE-2019-11387"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11387"},{"type":"REPORT","url":"https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1359"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-11387"}],"affected":[{"package":{"name":"modsecurity-crs","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-crs@2.2.9-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.9-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.9-1","binary_name":"modsecurity-crs"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11387.json"}},{"package":{"name":"modsecurity-crs","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/modsecurity-crs@3.0.2-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.0-3","3.0.2-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.2-1","binary_name":"modsecurity-crs"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11387.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}