{"id":"GHSA-h8q5-g2cj-qr5h","summary":"Apache Tika is vulnerable to entity expansions which can lead to a denial of service attack","details":"In Apache Tika 1.19 (CVE-2018-11761), we added an entity expansion limit for XML parsing. However, Tika reuses SAXParsers and calls reset() after each parse, which, for Xerces2 parsers, as per the documentation, removes the user-specified SecurityManager and thus removes entity expansion limits after the first parse. Apache Tika versions from 0.1 to 1.19 are therefore still vulnerable to entity expansions which can lead to a denial of service attack. Users should upgrade to 1.19.1 or later.","aliases":["CVE-2018-11796"],"modified":"2024-02-16T08:07:07.926981Z","published":"2018-10-17T15:43:25Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2020-06-16T21:39:33Z","nvd_published_at":null,"cwe_ids":["CWE-611"],"severity":"HIGH"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11796"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2019:3892"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-h8q5-g2cj-qr5h"},{"type":"PACKAGE","url":"https://github.com/apache/tika"},{"type":"WEB","url":"https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05@%3Cdev.tika.apache.org%3E"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20190903-0002"},{"type":"WEB","url":"http://www.securityfocus.com/bid/105585"}],"affected":[{"package":{"name":"org.apache.tika:tika-core","ecosystem":"Maven","purl":"pkg:maven/org.apache.tika/tika-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.1"},{"fixed":"1.19.1"}]}],"versions":["0.10","0.4","0.5","0.6","0.7","0.8","0.9","1.0","1.1","1.10","1.11","1.12","1.13","1.14","1.15","1.16","1.17","1.18","1.19","1.2","1.3","1.4","1.5","1.6","1.7","1.8","1.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-h8q5-g2cj-qr5h/GHSA-h8q5-g2cj-qr5h.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}