UnratedFix available

DEBIAN-CVE-2026-38974

Type: advisorySource: OSV1 source record

Dulwich through 1.1.0 was found to be missing SSH host key verification in contrib/paramiko_vendor.py.

Announced 15 Jul 2026Group revision 1

DEBIAN-CVE-2026-38974

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-2026-38974

dulwich

Source reference: /affected/0/package/name

Affected versions: 0.21.2-1
Source reference: /affected/0/versions
0.21.5-1
Source reference: /affected/0/versions
0.21.6-1
Source reference: /affected/0/versions
0.22.5-1
Source reference: /affected/0/versions
0.22.7-1
Source reference: /affected/0/versions
0.22.7-2
Source reference: /affected/0/versions
0.24.10-1
Source reference: /affected/0/versions
0.24.2-1
Source reference: /affected/0/versions
0.24.2-2
Source reference: /affected/0/versions
1.0.0-1
Source reference: /affected/0/versions
1.0.0-2
Source reference: /affected/0/versions
1.1.0-1
Source reference: /affected/0/versions
1.1.0-2
Source reference: /affected/0/versions
1.1.0-3
Source reference: /affected/0/versions
1.2.0-1
Source reference: /affected/0/versions
1.2.1-1
Source reference: /affected/0/versions
1.2.11-1
Source reference: /affected/0/versions
1.2.12-1
Source reference: /affected/0/versions
1.2.5-1
Source reference: /affected/0/versions
1.2.7-1
Source reference: /affected/0/versions
1.2.7-2
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

dulwich

Source reference: /affected/1/package/name

Affected versions: 0.22.7-1
Source reference: /affected/1/versions
0.22.7-2
Source reference: /affected/1/versions
0.24.10-1
Source reference: /affected/1/versions
0.24.2-1
Source reference: /affected/1/versions
0.24.2-2
Source reference: /affected/1/versions
1.0.0-1
Source reference: /affected/1/versions
1.0.0-2
Source reference: /affected/1/versions
1.1.0-1
Source reference: /affected/1/versions
1.1.0-2
Source reference: /affected/1/versions
1.1.0-3
Source reference: /affected/1/versions
1.2.0-1
Source reference: /affected/1/versions
1.2.1-1
Source reference: /affected/1/versions
1.2.11-1
Source reference: /affected/1/versions
1.2.12-1
Source reference: /affected/1/versions
1.2.5-1
Source reference: /affected/1/versions
1.2.7-1
Source reference: /affected/1/versions
1.2.7-2
Source reference: /affected/1/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

dulwich

Source reference: /affected/2/package/name

Affected versions: 0.22.7-1
Source reference: /affected/2/versions
0.22.7-2
Source reference: /affected/2/versions
0.24.10-1
Source reference: /affected/2/versions
0.24.2-1
Source reference: /affected/2/versions
0.24.2-2
Source reference: /affected/2/versions
1.0.0-1
Source reference: /affected/2/versions
1.0.0-2
Source reference: /affected/2/versions
1.1.0-1
Source reference: /affected/2/versions
1.1.0-2
Source reference: /affected/2/versions
1.1.0-3
Source reference: /affected/2/versions
Fixed versions: 1.2.0-1
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"
          }
        ]
      }
    ],
    "package": {
      "name": "dulwich",
      "purl": "pkg:deb/debian/dulwich?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "0.21.2-1",
      "0.21.5-1",
      "0.21.6-1",
      "0.22.5-1",
      "0.22.7-1",
      "0.22.7-2",
      "0.24.10-1",
      "0.24.2-1",
      "0.24.2-2",
      "1.0.0-1",
      "1.0.0-2",
      "1.1.0-1",
      "1.1.0-2",
      "1.1.0-3",
      "1.2.0-1",
      "1.2.1-1",
      "1.2.11-1",
      "1.2.12-1",
      "1.2.5-1",
      "1.2.7-1",
      "1.2.7-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-38974.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "dulwich",
      "purl": "pkg:deb/debian/dulwich?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "0.22.7-1",
      "0.22.7-2",
      "0.24.10-1",
      "0.24.2-1",
      "0.24.2-2",
      "1.0.0-1",
      "1.0.0-2",
      "1.1.0-1",
      "1.1.0-2",
      "1.1.0-3",
      "1.2.0-1",
      "1.2.1-1",
      "1.2.11-1",
      "1.2.12-1",
      "1.2.5-1",
      "1.2.7-1",
      "1.2.7-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-38974.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.2.0-1"
          }
        ]
      }
    ],
    "package": {
      "name": "dulwich",
      "purl": "pkg:deb/debian/dulwich?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "0.22.7-1",
      "0.22.7-2",
      "0.24.10-1",
      "0.24.2-1",
      "0.24.2-2",
      "1.0.0-1",
      "1.0.0-2",
      "1.1.0-1",
      "1.1.0-2",
      "1.1.0-3"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-38974.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #57579 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 17:20:04 GMT
Publisher date: Wed, 15 Jul 2026 22:16:47 GMT

Read the original announcement

Revision history

25 Oct 2026DEBIAN-CVE-2026-38974 · Revision 1Source updated