CVE-2019-5442
CVE-2019-5442 is a high-severity vulnerability in Pippo with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-776.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-776
- Affected product: Pippo
- Published:
- Last modified:
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.
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.
- How severe is CVE-2019-5442?
- CVE-2019-5442 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-5442 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-5442?
- CVE-2019-5442 affects Pippo. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-5442?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-5442 published?
- CVE-2019-5442 was published on 2019-06-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:pippo:pippo:1.12.0:*:*:*:*:*:*:*
More vulnerabilities in Pippo
- CVE-2018-20059 — Critical (CVSS 9.8): jaxb/JaxbEngine.java in Pippo 1.11.0 allows XXE.
- CVE-2018-18628 — Critical (CVSS 9.8): An issue was discovered in Pippo 1.11.0. The function SerializationSessionDataTranscoder.decode() calls…
- CVE-2017-18349 — Critical (CVSS 9.8): parseObject in Fastjson before 1.2.25, as used in FastjsonEngine in Pippo 1.11.0 and other products, allows remote…
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- CVE-2020-24590 — Critical (CVSS 9.1): The Management Console in WSO2 API Manager through 3.1.0 and API Microgateway 2.2.0 allows XML Entity Expansion attacks.