{
  "cveId": "CVE-2026-55223",
  "url": "https://patchblox.com/security/cve/CVE-2026-55223",
  "summary": "CVE-2026-55223 is fixed in libc3p0-java on 1 platform, first by libc3p0-java 0.9.1.2-9\u002Bdeb8u1ubuntu0.18.04.1\u002Besm1, released July 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libc3p0-java: c3p0 is a JDBC Connection pooling library",
  "description": "c3p0 is a JDBC Connection pooling library. In versions prior to 0.14.0, c3p0 in combination with other libraries, can compose to a \u0022sink\u0022 for deserialization gadgets. The JDBC spec\u0027s DataSource.getConnection() and ConnectionPoolDataSource.getPooledConnection() match the getXXX() form, so JavaBean libraries treat them as \u0022properties\u0022 assumed safe while they actually call into JDBC drivers. Attackers can thus craft malicious DataSource objects whose property lookups invoke vulnerable drivers, then smuggle them in serialized form to where an application deserializes and auto-resolves bean properties \u2014 triggering the attack. This requires a susceptible DataSource/ConnectionPoolDataSource and JDBC driver on the CLASSPATH, plus a carrier that auto-looks-up JavaBean properties on = deserialization, most commonly a collection paired with an Apache commons-beanutils Comparator that sorts by bean properties. c3p0 supplied that susceptible DataSource/ConnectionPoolDataSource, which was an essential component of the trigger. This issue has been fixed in version 0.14.0.",
  "published": "2026-06-30T16:17:00Z",
  "severity": "Medium",
  "epss": 0.0048,
  "epssPercentile": 0.41706,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libc3p0-java",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.9.1.2-9\u002Bdeb8u1ubuntu0.18.04.1\u002Besm1",
      "fix": "libc3p0-java 0.9.1.2-9\u002Bdeb8u1ubuntu0.18.04.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libc3p0-java-0.9.1.2-9-deb8u1ubuntu0.18.04.1-esm1",
      "released": "2026-07-01T14:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libc3p0-java",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.9.1.2-10ubuntu0.20.04.1\u002Besm1",
      "fix": "libc3p0-java 0.9.1.2-10ubuntu0.20.04.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libc3p0-java-0.9.1.2-10ubuntu0.20.04.1-esm1",
      "released": "2026-07-01T14:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libc3p0-java",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.9.1.2-10ubuntu1\u002Besm1",
      "fix": "libc3p0-java 0.9.1.2-10ubuntu1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libc3p0-java-0.9.1.2-10ubuntu1-esm1",
      "released": "2026-07-01T14:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libc3p0-java",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "0.9.1.2-10ubuntu2\u002Besm1",
      "fix": "libc3p0-java 0.9.1.2-10ubuntu2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libc3p0-java-0.9.1.2-10ubuntu2-esm1",
      "released": "2026-07-01T14:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libc3p0-java",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "0.9.1.2-11ubuntu0.1~esm1",
      "fix": "libc3p0-java 0.9.1.2-11ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libc3p0-java-0.9.1.2-11ubuntu0.1-esm1",
      "released": "2026-07-01T14:17:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}