USN-8642-1: c3p0 vulnerabilities

Publication date

18 August 2026

Overview

Several security issues were fixed in c3p0.


Packages

  • c3p0 - JDBC Connection pooling library

Details

It was discovered that c3p0 was vulnerable to remote code execution via maliciously
crafted serialized objects and JNDI references. An attacker could use this to
execute arbitrary code, bypass security restrictions, or cause a denial of service.

It was discovered that c3p0 was vulnerable to remote code execution via maliciously
crafted serialized objects and JNDI references. An attacker could use this to
execute arbitrary code, bypass security restrictions, or cause a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
26.04 LTS resolute libc3p0-java –  0.9.1.2-11ubuntu0.1~esm1  
24.04 LTS noble libc3p0-java –  0.9.1.2-10ubuntu2+esm1  
22.04 LTS jammy libc3p0-java –  0.9.1.2-10ubuntu1+esm1  
20.04 LTS focal libc3p0-java –  0.9.1.2-10ubuntu0.20.04.1+esm1  
18.04 LTS bionic libc3p0-java –  0.9.1.2-9+deb8u1ubuntu0.18.04.1+esm1  

Reduce your security exposure

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Have additional questions?

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