{"id":"CVE-2019-12401","aliases":["GHSA-jq2w-w7v2-69q5"],"url":"https://o3.security/vulnerability/CVE-2019-12401","summary":"Apache Solr  vulnerable to XML Bomb","details":"Solr versions 1.3.0 to 1.4.1, 3.1.0 to 3.6.2 and 4.0.0 to 4.10.4 are vulnerable to an XML resource consumption attack (a.k.a. Lol Bomb) via it’s update handler.?By leveraging XML DOCTYPE and ENTITY type elements, the attacker can create a pattern that will expand when the server parses the XML causing OOMs.","published":"2019-09-10T15:15:11.737Z","modified":"2026-10-24T10:30:38.228067074Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.solr:solr-core","fixedVersion":"5.0.0"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/048ae6e4f84a88e8856f766320b48ad91f9fca2c6f621aa2c40088fe%40%3Cdev.lucene.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/0ec231c5ed8d242890e21806d25fdd47f80cc47cac278d2fc1c9c579%40%3Cdev.lucene.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/1c92300643f48f13bc59b15e3f886ba62bae1798c7d4c2e5c1ece09b%40%3Cannounce.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/521d10a19bfb590f86dff41820ccfb11e92281f233a12c882650931e%40%3Cdev.lucene.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/60a924662ead9aeea74e8ea128d9ca935f8de925aa71b15ab2787d6a%40%3Csolr-user.lucene.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/7ab5e95a1a0b4f35ffe53f1eb0cb74b4348b49d41b72ac155b843fa2%40%3Cgeneral.lucene.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/db8eaca456d03c00a66cbe37548978318d424b9997e3fd7f5c65dffe%40%3Cdev.lucene.apache.org%3E"},{"type":"ADVISORY","url":"http://mail-archives.us.apache.org/mod_mbox/www-announce/201909.mbox/%3CCAECwjAXU4%3DkAo5DeUJw7Kvk67sgCmajAN7LGZQNjbjZ8gv%3DBdw%40mail.gmail.com%3E"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/09/10/1"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190926-0002/"},{"type":"EVIDENCE","url":"https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-12401-XML%20Bomb-Apache%20Solr"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12401"},{"type":"WEB","url":"https://issues.apache.org/jira/browse/SOLR-13750"},{"type":"WEB","url":"https://lists.apache.org/thread.html/048ae6e4f84a88e8856f766320b48ad91f9fca2c6f621aa2c40088fe@%3Cdev.lucene.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/0ec231c5ed8d242890e21806d25fdd47f80cc47cac278d2fc1c9c579@%3Cdev.lucene.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/1c92300643f48f13bc59b15e3f886ba62bae1798c7d4c2e5c1ece09b@%3Cannounce.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/521d10a19bfb590f86dff41820ccfb11e92281f233a12c882650931e@%3Cdev.lucene.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/60a924662ead9aeea74e8ea128d9ca935f8de925aa71b15ab2787d6a@%3Csolr-user.lucene.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/7ab5e95a1a0b4f35ffe53f1eb0cb74b4348b49d41b72ac155b843fa2@%3Cgeneral.lucene.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/db8eaca456d03c00a66cbe37548978318d424b9997e3fd7f5c65dffe@%3Cdev.lucene.apache.org%3E"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20190926-0002"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:38.228067074Z"}}