VULNERABILITY INTELLIGENCE
CVE-2019-12401
CVSS score7.5 HIGH
EPSS probability8.55%
CISA KEVNot currently listed
Published2019-09-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Primary references
- security@apache.org — Broken Link, Mailing List, Vendor Advisory
- security@apache.org — Mailing List, Third Party Advisory
- security@apache.org — Exploit, Third Party Advisory
- security@apache.org
- security@apache.org
- security@apache.org
- security@apache.org
- security@apache.org
- security@apache.org
- security@apache.org
- security@apache.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Mailing List, Vendor Advisory