CVSS v3
7.5
HIGH
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2019-06-12
Frequently asked questions
What is CVE-2019-5442?
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.
Is CVE-2019-5442 actively exploited?
Active exploitation of CVE-2019-5442 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-5442?
CVE-2019-5442 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2019-5442 affecting your environment?
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