TI-2019-03850 Aliases CVE-2019-5442 GHSA-hwcx-9p4j-7hwj

XML Entity Expansion (Billion Laughs Attack) on Pippo 1.12.0 results in Denial of…

LOW 36CWE-776Published 2019-06-12 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

EPSS 0.01443 73rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Pippo	1.12.0	—	No fix listed	CNA
—	ro.pippo:pippo-jaxb (Maven)	up to 1.12.0	—	No fix listed	GHSA-hwcx-9p4j-7hwj

Pippo Vendor— Affected 1.12.0 Fixed in — No fix listed CNA
ro.pippo:pippo-jaxb (Maven) Vendor— Affected up to 1.12.0 Fixed in — No fix listed GHSA-hwcx-9p4j-7hwj

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:pippo:pippo:1.12.0:::::::*	1.12.0	Vulnerable	Pippo

cpe:2.3:a:pippo:pippo:1.12.0:*:*:*:*:*:*:* Versions 1.12.0 Vulnerable ·Pippo

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-5442
2026-10-03 Alias added: GHSA-hwcx-9p4j-7hwj

References

Exploit 1

https://hackerone.com/reports/506791

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2019-5442

TI-2017-13524 parseObject in Fastjson before 1.2.25, as used in FastjsonEngine in Pippo 1.11.0 and… CVSS 3.0CRITICAL 9.8
TI-2018-13168 An issue was discovered in Pippo 1.11.0. CVSS 3.0CRITICAL 9.8
TI-2018-12890 Pippo through 1.11.0 allows remote code execution via a command to… CVSS 3.0CRITICAL 9.8
TI-2018-14220 jaxb/JaxbEngine.java in Pippo 1.11.0 allows XXE. CVSS 3.0CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences