Critical
cadaver, expat and 5 more products — security advisory
Integer Overflow or Wraparound vulnerability in InsightSoftwareConsortium ITK (Modules/ThirdParty/Expat/src/expat modules).This issue affects ITK: before 2.7.1.
- Products
- cadaver, expat, matanza, swish-e, tdom, wbxml2, xmlrpc-c
- Affected versions
- 0.11.10+dfsg-2, 0.13+ds1-6, 0.13+ds2-1, 0.13+ds2-1build1, 0.13+ds2-1build2, 0.13+ds2-2, 0.13+ds2-2build1, 0.26+dfsg-2, 0.9.5.1-2, 0.9.5.1-3, 1.59.03-10, 1.59.03-10.1, 1.59.03-7, 1.59.03-9, 2.4.7-6.3, 2.4.7-6.3build1, 2.4.7-7, 2.7.1-1, 2.7.1-2, 2.7.1-2ubuntu0.2
- Fixed versions
- Not specified
- CVEs
- CVE-2026-4739
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:05 UTC · Revision 1
Source evidence
Integer Overflow or Wraparound vulnerability in InsightSoftwareConsortium ITK (Modules/ThirdParty/Expat/src/expat modules).This issue affects ITK: before 2.7.1.
osv:UBUNTU-CVE-2026-4739
matanza
Fixed versions: Not specified
matanza
Fixed versions: Not specified
matanza
Fixed versions: Not specified
cadaver
Fixed versions: Not specified
expat
Fixed versions: Not specified
matanza
Fixed versions: Not specified
swish-e
Fixed versions: Not specified
tdom
Fixed versions: Not specified
wbxml2
Fixed versions: Not specified
xmlrpc-c
Fixed versions: Not specified
matanza
Fixed versions: Not specified
matanza
Fixed versions: Not specified
Complete source record
{
"id": "15e7a27e7fd3930026f887f8335af9d9661f5556fb8d4861dc9aeebea021c13d",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-4739",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-4739",
"summary": "Integer Overflow or Wraparound vulnerability in InsightSoftwareConsortium ITK (Modules/ThirdParty/Expat/src/expat modules).This issue affects ITK: before 2.7.1.",
"evidence": "osv:UBUNTU-CVE-2026-4739",
"products": [
{
"name": {
"value": "matanza",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.13+ds1-6",
"evidence": "/affected/0/versions"
},
{
"value": "0.13+ds2-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "matanza",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.13+ds2-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "matanza",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.13+ds2-1",
"evidence": "/affected/2/versions"
},
{
"value": "0.13+ds2-1build1",
"evidence": "/affected/2/versions"
},
{
"value": "0.13+ds2-1build2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "cadaver",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.26+dfsg-2",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "expat",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.7.1-1",
"evidence": "/affected/4/versions"
},
{
"value": "2.7.1-2",
"evidence": "/affected/4/versions"
},
{
"value": "2.7.1-2ubuntu0.2",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "matanza",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.13+ds2-2",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "swish-e",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.4.7-6.3",
"evidence": "/affected/6/versions"
},
{
"value": "2.4.7-6.3build1",
"evidence": "/affected/6/versions"
},
{
"value": "2.4.7-7",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "tdom",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.9.5.1-2",
"evidence": "/affected/7/versions"
},
{
"value": "0.9.5.1-3",
"evidence": "/affected/7/versions"
}
]
},
{
"name": {
"value": "wbxml2",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.11.10+dfsg-2",
"evidence": "/affected/8/versions"
}
]
},
{
"name": {
"value": "xmlrpc-c",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.59.03-7",
"evidence": "/affected/9/versions"
},
{
"value": "1.59.03-9",
"evidence": "/affected/9/versions"
},
{
"value": "1.59.03-10",
"evidence": "/affected/9/versions"
},
{
"value": "1.59.03-10.1",
"evidence": "/affected/9/versions"
}
]
},
{
"name": {
"value": "matanza",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.13+ds2-2build1",
"evidence": "/affected/10/versions"
}
]
},
{
"name": {
"value": "matanza",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.13+ds2-2",
"evidence": "/affected/11/versions"
},
{
"value": "0.13+ds2-2build1",
"evidence": "/affected/11/versions"
}
]
}
],
"severity": "critical",
"structured": {
"id": "UBUNTU-CVE-2026-4739",
"aliases": [
"UBUNTU-CVE-2026-4739"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/S:P/AU:Y/R:U/V:C/RE:M/U:Amber"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "matanza",
"purl": "pkg:deb/ubuntu/matanza?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"0.13+ds1-6",
"0.13+ds2-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "matanza",
"binary_version": "0.13+ds2-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "matanza",
"purl": "pkg:deb/ubuntu/matanza?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"0.13+ds2-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "matanza",
"binary_version": "0.13+ds2-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "matanza",
"purl": "pkg:deb/ubuntu/matanza?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"0.13+ds2-1",
"0.13+ds2-1build1",
"0.13+ds2-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "matanza",
"binary_version": "0.13+ds2-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "cadaver",
"purl": "pkg:deb/ubuntu/cadaver?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"0.26+dfsg-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cadaver",
"binary_version": "0.26+dfsg-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "expat",
"purl": "pkg:deb/ubuntu/expat?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"2.7.1-1",
"2.7.1-2",
"2.7.1-2ubuntu0.2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "expat",
"binary_version": "2.7.1-2ubuntu0.2"
},
{
"binary_name": "libexpat1",
"binary_version": "2.7.1-2ubuntu0.2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "matanza",
"purl": "pkg:deb/ubuntu/matanza?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"0.13+ds2-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "matanza",
"binary_version": "0.13+ds2-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "swish-e",
"purl": "pkg:deb/ubuntu/swish-e?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"2.4.7-6.3",
"2.4.7-6.3build1",
"2.4.7-7"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "swish-e",
"binary_version": "2.4.7-7"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tdom",
"purl": "pkg:deb/ubuntu/tdom?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"0.9.5.1-2",
"0.9.5.1-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tdom",
"binary_version": "0.9.5.1-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "wbxml2",
"purl": "pkg:deb/ubuntu/wbxml2?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"0.11.10+dfsg-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libwbxml2-1",
"binary_version": "0.11.10+dfsg-2"
},
{
"binary_name": "libwbxml2-utils",
"binary_version": "0.11.10+dfsg-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "xmlrpc-c",
"purl": "pkg:deb/ubuntu/xmlrpc-c?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.59.03-7",
"1.59.03-9",
"1.59.03-10",
"1.59.03-10.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libxmlrpc-c++9",
"binary_version": "1.59.03-10.1"
},
{
"binary_name": "libxmlrpc-core-c3t64",
"binary_version": "1.59.03-10.1"
},
{
"binary_name": "libxmlrpc-util4",
"binary_version": "1.59.03-10.1"
},
{
"binary_name": "xmlrpc-api-utils",
"binary_version": "1.59.03-10.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "matanza",
"purl": "pkg:deb/ubuntu/matanza?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"0.13+ds2-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "matanza",
"binary_version": "0.13+ds2-2build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "matanza",
"purl": "pkg:deb/ubuntu/matanza?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"0.13+ds2-2",
"0.13+ds2-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4739.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "matanza",
"binary_version": "0.13+ds2-2build1"
}
]
}
}
],
"modified": "2026-10-17T13:00:15.334909815Z",
"provider": "osv",
"upstream": [
"CVE-2026-4739"
],
"references": [
"https://ubuntu.com/security/CVE-2026-4739",
"https://www.cve.org/CVERecord?id=CVE-2026-4739",
"https://github.com/InsightSoftwareConsortium/ITK/pull/5351"
]
},
"related_cves": [
{
"value": "CVE-2026-4739",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 360408,
"published_at": "2026-03-24T04:17:00+00:00"
}