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Servers and applications

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) 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.

Severity
High 7.5
Published
10 Sept 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
8.5% in the next 30 daysHigher than 95% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Apache SolrServers and applications · cpe:a:apache:solr
  • From 1.3.0 up to 1.4.1
  • From 3.1 up to 3.6.2
  • From 4.0.0 up to 4.10.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-12401
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-12401