Back
CVE-2019-12401
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)…
High7.5EPSS 8.5%
- Published
- Updated
- Reserved
- Assigned by
- apache
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 8.5% · top 4.9% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- XML Entity Expansion
- CWE-776 (opens in a new tab)All about CWE-776 and its CVEs
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.solr:solr-coreGHSA-jq2w-w7v2-69q5 (opens in a new tab)
References (11)
- [lucene-general] 20190909 [SECURITY] CVE-2019-12401: XML Bomb in Apache Solr versions prior to 5.0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [lucene-dev] 20190909 [SECURITY] CVE-2019-12401: XML Bomb in Apache Solr versions prior to 5.0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20190909 [SECURITY] CVE-2019-12401: XML Bomb in Apache Solr versions prior to 5.0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [lucene-dev] 20190909 [jira] [Resolved] (SOLR-13750) [CVE-2019-12401] XML Bomb in Apache Solr versions prior to 5.0.0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [announce] 20190909 [SECURITY] CVE-2019-12401: XML Bomb in Apache Solr versions prior to 5.0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [lucene-solr-user] 20190909 [SECURITY] CVE-2019-12401: XML Bomb in Apache Solr versions prior to 5.0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [lucene-dev] 20190909 [jira] [Updated] (SOLR-13750) [CVE-2019-12401] XML Bomb in Apache Solr versions prior to 5.0.0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [www-announce] 20190909 [SECURITY] CVE-2019-12401: XML Bomb in Apache Solr versions prior to 5.0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [lucene-dev] 20190911 [jira] [Commented] (SOLR-13750) [CVE-2019-12401] XML Bomb in Apache Solr versions prior to 5.0.0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://security.netapp.com/advisory/ntap-20190926-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-12401-XML%20Bomb-Apache%20Solr (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-jq2w-w7v2-69q5 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-12401)Record last updated .