{"id":"USN-8642-1","summary":"c3p0 vulnerabilities","details":"It was discovered that c3p0 was vulnerable to remote code execution via maliciously\ncrafted serialized objects and JNDI references. An attacker could use this to\nexecute arbitrary code, bypass security restrictions, or cause a denial of service.","modified":"2026-08-18T22:14:59.705602179Z","published":"2026-08-18T13:02:22Z","related":["UBUNTU-CVE-2026-27727","UBUNTU-CVE-2026-27830","UBUNTU-CVE-2026-55153","UBUNTU-CVE-2026-55223"],"upstream":["CVE-2026-27727","CVE-2026-27830","CVE-2026-55153","CVE-2026-55223","UBUNTU-CVE-2026-27727","UBUNTU-CVE-2026-27830","UBUNTU-CVE-2026-55153","UBUNTU-CVE-2026-55223"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8642-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-27727"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-27830"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-55153"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-55223"}],"affected":[{"package":{"name":"c3p0","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/c3p0?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.1.2-9+deb8u1ubuntu0.18.04.1+esm1"}]}],"versions":["0.9.1.2-9","0.9.1.2-9+deb8u1build0.18.04.1","0.9.1.2-9+deb8u1ubuntu0.18.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.9.1.2-9+deb8u1ubuntu0.18.04.1+esm1","binary_name":"libc3p0-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8642-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[]}}},{"package":{"name":"c3p0","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/c3p0?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.1.2-10ubuntu0.20.04.1+esm1"}]}],"versions":["0.9.1.2-10","0.9.1.2-10ubuntu0.20.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.9.1.2-10ubuntu0.20.04.1+esm1","binary_name":"libc3p0-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8642-1.json","cves_map":{"cves":[{"id":"CVE-2026-27727","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-27830","severity":[{"score":"CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-55153"},{"id":"CVE-2026-55223","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}},{"package":{"name":"c3p0","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/c3p0?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.1.2-10ubuntu1+esm1"}]}],"versions":["0.9.1.2-10","0.9.1.2-10ubuntu1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libc3p0-java","binary_version":"0.9.1.2-10ubuntu1+esm1"}]},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8642-1.json"}},{"package":{"name":"c3p0","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/c3p0?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.1.2-10ubuntu2+esm1"}]}],"versions":["0.9.1.2-10ubuntu1","0.9.1.2-10ubuntu2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.9.1.2-10ubuntu2+esm1","binary_name":"libc3p0-java"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:24.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8642-1.json"}},{"package":{"name":"c3p0","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/c3p0?arch=source&distro=esm-apps%2Fresolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.1.2-11ubuntu0.1~esm1"}]}],"versions":["0.9.1.2-10ubuntu2","0.9.1.2-11"],"ecosystem_specific":{"binaries":[{"binary_name":"libc3p0-java","binary_version":"0.9.1.2-11ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:26.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8642-1.json"}}],"schema_version":"1.9.0"}