CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2019-5427
High (7.5). EPSS 4.9% chance of exploitation in the next 30 days. Fixed in com.mchange:c3p0 0.9.5.4.
c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack when loading XML configuration due to missing protections against recursive entity expansion when loading configuration.
Severity
- EPSS
- 4.9% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
- CWE
- CWE-776
- Published
- Modified
- Record from
- the NVD, synced
Affected
- fedoraproject:fedora
- mchange:c3p0
- oracle:communications_ip_service_activator
- oracle:communications_session_route_manager
- oracle:documaker
- oracle:enterprise_manager_base_platform
- oracle:enterprise_manager_ops_center
- oracle:flexcube_private_banking
- oracle:hyperion_infrastructure_technology
- oracle:retail_xstore_point_of_service
- oracle:webcenter_sites
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-84p2-vf58-xhxv | Maven | com.mchange:c3p0 | <0.9.5.4 | 0.9.5.4 |
References
- https://hackerone.com/reports/509315
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFIVX6HOVNLAM7W3SUAMHYRNLCVQSAWR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQ47OFV57Y2DAHMGA5H3JOL4WHRWRFN4/
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujan2021.html