High severity7.5NVD Advisory· Published Sep 10, 2019· Updated Jun 17, 2026
CVE-2019-12401
CVE-2019-12401
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.solr:solr-coreMaven | < 5.0.0 | 5.0.0 |
Affected products
3Patches
Vulnerability mechanics
References
22- github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-12401-XML%20Bomb-Apache%20SolrnvdExploitThird Party AdvisoryWEB
- mail-archives.us.apache.org/mod_mbox/www-announce/201909.mbox/%3CCAECwjAXU4%3DkAo5DeUJw7Kvk67sgCmajAN7LGZQNjbjZ8gv%3DBdw%40mail.gmail.com%3EnvdBroken LinkMailing ListVendor AdvisoryWEB
- www.openwall.com/lists/oss-security/2019/09/10/1nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-jq2w-w7v2-69q5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2019-12401ghsaADVISORY
- security.netapp.com/advisory/ntap-20190926-0002/nvdThird Party Advisory
- issues.apache.org/jira/browse/SOLR-13750ghsaWEB
- lists.apache.org/thread.html/048ae6e4f84a88e8856f766320b48ad91f9fca2c6f621aa2c40088fe@%3Cdev.lucene.apache.org%3EghsaWEB
- lists.apache.org/thread.html/0ec231c5ed8d242890e21806d25fdd47f80cc47cac278d2fc1c9c579@%3Cdev.lucene.apache.org%3EghsaWEB
- lists.apache.org/thread.html/1c92300643f48f13bc59b15e3f886ba62bae1798c7d4c2e5c1ece09b@%3Cannounce.apache.org%3EghsaWEB
- lists.apache.org/thread.html/521d10a19bfb590f86dff41820ccfb11e92281f233a12c882650931e@%3Cdev.lucene.apache.org%3EghsaWEB
- lists.apache.org/thread.html/60a924662ead9aeea74e8ea128d9ca935f8de925aa71b15ab2787d6a@%3Csolr-user.lucene.apache.org%3EghsaWEB
- lists.apache.org/thread.html/7ab5e95a1a0b4f35ffe53f1eb0cb74b4348b49d41b72ac155b843fa2@%3Cgeneral.lucene.apache.org%3EghsaWEB
- lists.apache.org/thread.html/db8eaca456d03c00a66cbe37548978318d424b9997e3fd7f5c65dffe@%3Cdev.lucene.apache.org%3EghsaWEB
- security.netapp.com/advisory/ntap-20190926-0002ghsaWEB
- lists.apache.org/thread.html/048ae6e4f84a88e8856f766320b48ad91f9fca2c6f621aa2c40088fe%40%3Cdev.lucene.apache.org%3Envd
- lists.apache.org/thread.html/0ec231c5ed8d242890e21806d25fdd47f80cc47cac278d2fc1c9c579%40%3Cdev.lucene.apache.org%3Envd
- lists.apache.org/thread.html/1c92300643f48f13bc59b15e3f886ba62bae1798c7d4c2e5c1ece09b%40%3Cannounce.apache.org%3Envd
- lists.apache.org/thread.html/521d10a19bfb590f86dff41820ccfb11e92281f233a12c882650931e%40%3Cdev.lucene.apache.org%3Envd
- lists.apache.org/thread.html/60a924662ead9aeea74e8ea128d9ca935f8de925aa71b15ab2787d6a%40%3Csolr-user.lucene.apache.org%3Envd
- lists.apache.org/thread.html/7ab5e95a1a0b4f35ffe53f1eb0cb74b4348b49d41b72ac155b843fa2%40%3Cgeneral.lucene.apache.org%3Envd
- lists.apache.org/thread.html/db8eaca456d03c00a66cbe37548978318d424b9997e3fd7f5c65dffe%40%3Cdev.lucene.apache.org%3Envd
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