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DEBIAN-CVE-2026-66374

Type: advisorySource: OSV1 source record

Knot Resolver before 6.4.1 allows remote code execution via a heap-based buffer overflow in the DoQ (DNS-over-QUIC) receive path.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-66374

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-2026-66374

knot-resolver

Source reference: /affected/0/package/name

Affected versions
5.7.5-1

Source reference: /affected/0/versions

6.0.10-1

Source reference: /affected/0/versions

6.0.12-1

Source reference: /affected/0/versions

6.0.13-1

Source reference: /affected/0/versions

6.0.14-1

Source reference: /affected/0/versions

6.0.15-1

Source reference: /affected/0/versions

6.0.15-2

Source reference: /affected/0/versions

6.0.15-3

Source reference: /affected/0/versions

6.0.15-4

Source reference: /affected/0/versions

6.0.17-1

Source reference: /affected/0/versions

6.0.9-1

Source reference: /affected/0/versions

6.1.0-1

Source reference: /affected/0/versions

6.1.0-2

Source reference: /affected/0/versions

6.2.0-1

Source reference: /affected/0/versions

6.2.0-2

Source reference: /affected/0/versions

6.3.0-1

Source reference: /affected/0/versions

6.4.0-1

Source reference: /affected/0/versions

Fixed versions
6.4.1-1

Source reference: /affected/0/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": "6.4.1-1"
          }
        ]
      }
    ],
    "package": {
      "name": "knot-resolver",
      "purl": "pkg:deb/debian/knot-resolver?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "5.7.5-1",
      "6.0.10-1",
      "6.0.12-1",
      "6.0.13-1",
      "6.0.14-1",
      "6.0.15-1",
      "6.0.15-2",
      "6.0.15-3",
      "6.0.15-4",
      "6.0.17-1",
      "6.0.9-1",
      "6.1.0-1",
      "6.1.0-2",
      "6.2.0-1",
      "6.2.0-2",
      "6.3.0-1",
      "6.4.0-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66374.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#58294 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement