CVE-2019-5442

Name: CVE-2019-5442
Creator: NVD / NIST
Published: 2019-06-12T16:29:00.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.44%

Last modified Jun 17, 2026

CVE-2019-5442 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.44% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.44%

69.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Pippo	Pippo	1.12.0

References

https://hackerone.com/reports/506791Exploit, Third Party Advisory
https://hackerone.com/reports/506791Exploit, Third Party Advisory

Timeline

Published: Jun 12, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5442?

How severe is CVE-2019-5442?

CVE-2019-5442 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5442?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5442?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST