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DEBIAN-CVE-2026-4739

Type: advisorySource: OSV1 source record

Integer Overflow or Wraparound vulnerability in InsightSoftwareConsortium ITK (‎Modules/ThirdParty/Expat/src/expat modules).This issue affects ITK: before 2.7.1.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-4739

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-4739

insighttoolkit4

Source reference: /affected/0/package/name

Affected versions
4.13.3withdata-dfsg2-4

Source reference: /affected/0/versions

4.13.3withdata-dfsg2-4+deb12u1

Source reference: /affected/0/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

insighttoolkit5

Source reference: /affected/1/package/name

Affected versions
5.2.1-5

Source reference: /affected/1/versions

5.2.1-5+deb12u1

Source reference: /affected/1/versions

5.3.0-1

Source reference: /affected/1/versions

5.3.0-2

Source reference: /affected/1/versions

5.3.0-3

Source reference: /affected/1/versions

5.3.0-4

Source reference: /affected/1/versions

5.3.0-5

Source reference: /affected/1/versions

5.3.0-6

Source reference: /affected/1/versions

5.3.0-7

Source reference: /affected/1/versions

5.3.0-9~0exp0

Source reference: /affected/1/versions

5.4.0-1

Source reference: /affected/1/versions

5.4.0-2

Source reference: /affected/1/versions

5.4.3-1

Source reference: /affected/1/versions

5.4.3-2

Source reference: /affected/1/versions

5.4.3-3

Source reference: /affected/1/versions

5.4.3-4

Source reference: /affected/1/versions

5.4.3-5

Source reference: /affected/1/versions

5.4.4-1

Source reference: /affected/1/versions

5.4.5-1

Source reference: /affected/1/versions

5.4.5-2

Source reference: /affected/1/versions

5.4.6-1

Source reference: /affected/1/versions

5.4.6-2

Source reference: /affected/1/versions

5.4.7-1

Source reference: /affected/1/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

insighttoolkit5

Source reference: /affected/2/package/name

Affected versions
5.4.3-5

Source reference: /affected/2/versions

5.4.4-1

Source reference: /affected/2/versions

5.4.5-1

Source reference: /affected/2/versions

5.4.5-2

Source reference: /affected/2/versions

5.4.6-1

Source reference: /affected/2/versions

5.4.6-2

Source reference: /affected/2/versions

5.4.7-1

Source reference: /affected/2/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

insighttoolkit5

Source reference: /affected/3/package/name

Affected versions
5.4.3-5

Source reference: /affected/3/versions

5.4.4-1

Source reference: /affected/3/versions

5.4.5-1

Source reference: /affected/3/versions

5.4.5-2

Source reference: /affected/3/versions

5.4.6-1

Source reference: /affected/3/versions

5.4.6-2

Source reference: /affected/3/versions

5.4.7-1

Source reference: /affected/3/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "insighttoolkit4",
      "purl": "pkg:deb/debian/insighttoolkit4?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "4.13.3withdata-dfsg2-4",
      "4.13.3withdata-dfsg2-4+deb12u1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-4739.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "insighttoolkit5",
      "purl": "pkg:deb/debian/insighttoolkit5?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "5.2.1-5",
      "5.2.1-5+deb12u1",
      "5.3.0-1",
      "5.3.0-2",
      "5.3.0-3",
      "5.3.0-4",
      "5.3.0-5",
      "5.3.0-6",
      "5.3.0-7",
      "5.3.0-9~0exp0",
      "5.4.0-1",
      "5.4.0-2",
      "5.4.3-1",
      "5.4.3-2",
      "5.4.3-3",
      "5.4.3-4",
      "5.4.3-5",
      "5.4.4-1",
      "5.4.5-1",
      "5.4.5-2",
      "5.4.6-1",
      "5.4.6-2",
      "5.4.7-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-4739.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "insighttoolkit5",
      "purl": "pkg:deb/debian/insighttoolkit5?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "5.4.3-5",
      "5.4.4-1",
      "5.4.5-1",
      "5.4.5-2",
      "5.4.6-1",
      "5.4.6-2",
      "5.4.7-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-4739.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "insighttoolkit5",
      "purl": "pkg:deb/debian/insighttoolkit5?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "5.4.3-5",
      "5.4.4-1",
      "5.4.5-1",
      "5.4.5-2",
      "5.4.6-1",
      "5.4.6-2",
      "5.4.7-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-4739.json"
    },
    "ecosystem_specific": {
      "urgency": "unimportant"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#56602 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement