VULNERABILITY INTELLIGENCE
CVE-2019-5442
CVSS score7.5 HIGH
EPSS probability1.44%
CISA KEVNot currently listed
Published2019-06-12
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
XML Entity Expansion (Billion Laughs Attack) on Pippo 1.12.0 results in Denial of Service.Entities are created recursively and large amounts of heap memory is taken. Eventually, the JVM process will run out of memory. Otherwise, if the OS does not bound the memory on that process, memory will continue to be exhausted and will affect other processes on the system.
Weakness classification
- CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Primary references
- support@hackerone.com — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory