# CVE-2019-5427: libc3p0-java: c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack whenloading XML configuration due to missing prote...

CVE-2019-5427 is fixed in libc3p0-java on 1 platform, first by libc3p0-java 0.9.1.2-9+deb8u1ubuntu0.18.04.1, released April 22, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-5427
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0488
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 22, 2019

## Description

c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack whenloading XML configuration due to missing protections against recursiveentity expansion when loading configuration.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libc3p0-java Ubuntu 18.04.6 LTS (bionic) | 0.9.1.2-9+deb8u1ubuntu0.18.04.1 | [libc3p0-java 0.9.1.2-9+deb8u1ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libc3p0-java-0.9.1.2-9-deb8u1ubuntu0.18.04.1.md) | Apr 22, 2019 |
| Linux | libc3p0-java Ubuntu 20.04 LTS (focal) | 0.9.1.2-10ubuntu0.20.04.1 | [libc3p0-java 0.9.1.2-10ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libc3p0-java-0.9.1.2-10ubuntu0.20.04.1.md) | Apr 22, 2019 |
| Linux | libc3p0-java Ubuntu 22.04.1 LTS (jammy) | 0.9.1.2-10ubuntu1 | [libc3p0-java 0.9.1.2-10ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libc3p0-java-0.9.1.2-10ubuntu1.md) | Apr 22, 2019 |
| Linux | libc3p0-java Ubuntu 24.04.5 LTS (noble) | 0.9.1.2-10ubuntu1 | [libc3p0-java 0.9.1.2-10ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libc3p0-java-0.9.1.2-10ubuntu1.md) | Apr 22, 2019 |
| Linux | libc3p0-java Ubuntu 24.10 (oracular) | 0.9.1.2-10ubuntu1 | [libc3p0-java 0.9.1.2-10ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libc3p0-java-0.9.1.2-10ubuntu1.md) | Jan 16, 2026 |
| Linux | libc3p0-java Ubuntu 25.04 (plucky) | 0.9.1.2-10ubuntu1 | [libc3p0-java 0.9.1.2-10ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libc3p0-java-0.9.1.2-10ubuntu1.md) | Jan 16, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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