UnratedFix available
c3p0 vulnerabilities
Type: advisorySources: OSV
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.
- Products
- c3p0
- Affected versions
- 0.9.1.2-10, 0.9.1.2-10ubuntu0.20.04.1, 0.9.1.2-10ubuntu1, 0.9.1.2-10ubuntu2, 0.9.1.2-11, 0.9.1.2-9, 0.9.1.2-9+deb8u1build0.18.04.1, 0.9.1.2-9+deb8u1ubuntu0.18.04.1
- Fixed versions
- 0.9.1.2-10ubuntu0.20.04.1+esm1, 0.9.1.2-10ubuntu1+esm1, 0.9.1.2-10ubuntu2+esm1, 0.9.1.2-11ubuntu0.1~esm1, 0.9.1.2-9+deb8u1ubuntu0.18.04.1+esm1
- CVEs
- CVE-2026-27727, CVE-2026-27830, CVE-2026-55153, CVE-2026-55223
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 02:03 UTC · Revision 1
Source evidence
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.
osv:USN-8642-1
c3p0
Fixed versions: 0.9.1.2-9+deb8u1ubuntu0.18.04.1+esm1
c3p0
Fixed versions: 0.9.1.2-10ubuntu0.20.04.1+esm1
c3p0
Fixed versions: 0.9.1.2-10ubuntu1+esm1
c3p0
Fixed versions: 0.9.1.2-10ubuntu2+esm1
c3p0
Fixed versions: 0.9.1.2-11ubuntu0.1~esm1
Complete source record
{
"id": "271efa6002bbf4d34eb0f734fcfe34ee2ef55fcf0cdc40b242a63a15241d6d99",
"url": "https://osv.dev/vulnerability/USN-8642-1",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "c3p0 vulnerabilities",
"summary": "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.",
"evidence": "osv:USN-8642-1",
"products": [
{
"name": {
"value": "c3p0",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.9.1.2-9+deb8u1ubuntu0.18.04.1+esm1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "0.9.1.2-9",
"evidence": "/affected/0/versions"
},
{
"value": "0.9.1.2-9+deb8u1build0.18.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "0.9.1.2-9+deb8u1ubuntu0.18.04.1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "c3p0",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.9.1.2-10ubuntu0.20.04.1+esm1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "0.9.1.2-10",
"evidence": "/affected/1/versions"
},
{
"value": "0.9.1.2-10ubuntu0.20.04.1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "c3p0",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.9.1.2-10ubuntu1+esm1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "0.9.1.2-10",
"evidence": "/affected/2/versions"
},
{
"value": "0.9.1.2-10ubuntu1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "c3p0",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.9.1.2-10ubuntu2+esm1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": [
{
"value": "0.9.1.2-10ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "0.9.1.2-10ubuntu2",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "c3p0",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.9.1.2-11ubuntu0.1~esm1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": [
{
"value": "0.9.1.2-10ubuntu2",
"evidence": "/affected/4/versions"
},
{
"value": "0.9.1.2-11",
"evidence": "/affected/4/versions"
}
]
}
],
"severity": "unknown",
"structured": {
"id": "USN-8642-1",
"aliases": [
"USN-8642-1"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.1.2-9+deb8u1ubuntu0.18.04.1+esm1"
}
]
}
],
"package": {
"name": "c3p0",
"purl": "pkg:deb/ubuntu/c3p0?arch=source&distro=esm-apps%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"0.9.1.2-9",
"0.9.1.2-9+deb8u1build0.18.04.1",
"0.9.1.2-9+deb8u1ubuntu0.18.04.1"
],
"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"
},
{
"type": "CVSS_V3",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-27830",
"severity": [
{
"type": "CVSS_V4",
"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_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-55153",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"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:18.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libc3p0-java",
"binary_version": "0.9.1.2-9+deb8u1ubuntu0.18.04.1+esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.1.2-10ubuntu0.20.04.1+esm1"
}
]
}
],
"package": {
"name": "c3p0",
"purl": "pkg:deb/ubuntu/c3p0?arch=source&distro=esm-apps%2Ffocal",
"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
"0.9.1.2-10",
"0.9.1.2-10ubuntu0.20.04.1"
],
"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"
},
{
"type": "CVSS_V3",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-27830",
"severity": [
{
"type": "CVSS_V4",
"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_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-55153",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"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"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libc3p0-java",
"binary_version": "0.9.1.2-10ubuntu0.20.04.1+esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.1.2-10ubuntu1+esm1"
}
]
}
],
"package": {
"name": "c3p0",
"purl": "pkg:deb/ubuntu/c3p0?arch=source&distro=esm-apps%2Fjammy",
"ecosystem": "Ubuntu:Pro:22.04:LTS"
},
"versions": [
"0.9.1.2-10",
"0.9.1.2-10ubuntu1"
],
"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"
},
{
"type": "CVSS_V3",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-27830",
"severity": [
{
"type": "CVSS_V4",
"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_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-55153",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"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:22.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libc3p0-java",
"binary_version": "0.9.1.2-10ubuntu1+esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.1.2-10ubuntu2+esm1"
}
]
}
],
"package": {
"name": "c3p0",
"purl": "pkg:deb/ubuntu/c3p0?arch=source&distro=esm-apps%2Fnoble",
"ecosystem": "Ubuntu:Pro:24.04:LTS"
},
"versions": [
"0.9.1.2-10ubuntu1",
"0.9.1.2-10ubuntu2"
],
"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"
},
{
"type": "CVSS_V3",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-27830",
"severity": [
{
"type": "CVSS_V4",
"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_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-55153",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"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:24.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libc3p0-java",
"binary_version": "0.9.1.2-10ubuntu2+esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.1.2-11ubuntu0.1~esm1"
}
]
}
],
"package": {
"name": "c3p0",
"purl": "pkg:deb/ubuntu/c3p0?arch=source&distro=esm-apps%2Fresolute",
"ecosystem": "Ubuntu:Pro:26.04:LTS"
},
"versions": [
"0.9.1.2-10ubuntu2",
"0.9.1.2-11"
],
"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"
},
{
"type": "CVSS_V3",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-27830",
"severity": [
{
"type": "CVSS_V4",
"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_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2026-55153",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"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:26.04:LTS"
}
},
"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"
}
}
],
"modified": "2026-10-07T04:30:03.248967216Z",
"provider": "osv",
"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": [
"https://ubuntu.com/security/notices/USN-8642-1",
"https://ubuntu.com/security/CVE-2026-27727",
"https://ubuntu.com/security/CVE-2026-27830",
"https://ubuntu.com/security/CVE-2026-55153",
"https://ubuntu.com/security/CVE-2026-55223"
]
},
"related_cves": [
{
"value": "CVE-2026-27727",
"evidence": "/upstream"
},
{
"value": "CVE-2026-27830",
"evidence": "/upstream"
},
{
"value": "CVE-2026-55153",
"evidence": "/upstream"
},
{
"value": "CVE-2026-55223",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 92514,
"published_at": "2026-08-18T13:02:22+00:00"
}