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DEBIAN-CVE-2026-2219

Type: advisorySource: OSV1 source record

It was discovered that dpkg-deb (a component of dpkg, the Debian package management system) does not properly validate the end of the data stream when uncompressing a zstd-compressed .deb archive, which may result in denial of service (infinite loop spinning the CPU).

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-2219

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-2026-2219

dpkg

Source reference: /affected/0/package/name

Affected versions
1.21.22

Source reference: /affected/0/versions

Fixed versions
1.21.23

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

dpkg

Source reference: /affected/1/package/name

Affected versions
1.22.21

Source reference: /affected/1/versions

Fixed versions
1.22.22

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

dpkg

Source reference: /affected/2/package/name

Affected versions
1.22.21

Source reference: /affected/2/versions

1.22.22

Source reference: /affected/2/versions

1.23.0

Source reference: /affected/2/versions

1.23.1

Source reference: /affected/2/versions

1.23.2

Source reference: /affected/2/versions

1.23.3

Source reference: /affected/2/versions

1.23.4

Source reference: /affected/2/versions

1.23.5

Source reference: /affected/2/versions

Fixed versions
1.23.6

Source reference: /affected/2/ranges

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"
          },
          {
            "fixed": "1.21.23"
          }
        ]
      }
    ],
    "package": {
      "name": "dpkg",
      "purl": "pkg:deb/debian/dpkg?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "1.21.22"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2219.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.22.22"
          }
        ]
      }
    ],
    "package": {
      "name": "dpkg",
      "purl": "pkg:deb/debian/dpkg?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "1.22.21"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2219.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.23.6"
          }
        ]
      }
    ],
    "package": {
      "name": "dpkg",
      "purl": "pkg:deb/debian/dpkg?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "1.22.21",
      "1.22.22",
      "1.23.0",
      "1.23.1",
      "1.23.2",
      "1.23.3",
      "1.23.4",
      "1.23.5"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2219.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#56635 · Revision 1
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Publisher date
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