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DEBIAN-CVE-2026-31812

Type: advisorySource: OSV1 source record

Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol. Prior to 0.11.14, a remote, unauthenticated attacker can trigger a denial of service in applications using vulnerable quinn versions by sending a crafted QUIC Initial packet containing malformed quic_transport_parameters. In quinn-proto parsing logic, attacker-controlled varints are decoded with unwrap(), so truncated encodings cause Err(UnexpectedEnd) and panic. This is reachable over the network with a single packet and no prior trust or authentication. This vulnerability is fixed in 0.11.14.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-31812

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-2026-31812

rust-quinn-proto

Source reference: /affected/0/package/name

Affected versions
0.10.2-1

Source reference: /affected/0/versions

0.10.5-1

Source reference: /affected/0/versions

0.10.5-2

Source reference: /affected/0/versions

0.10.6-1

Source reference: /affected/0/versions

0.11.13-1

Source reference: /affected/0/versions

0.11.14-1

Source reference: /affected/0/versions

0.11.16-1

Source reference: /affected/0/versions

0.11.9-1

Source reference: /affected/0/versions

0.11.9-2

Source reference: /affected/0/versions

0.11.9-3

Source reference: /affected/0/versions

0.9.2-2

Source reference: /affected/0/versions

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

rust-quinn-proto

Source reference: /affected/1/package/name

Affected versions
0.11.13-1

Source reference: /affected/1/versions

0.11.14-1

Source reference: /affected/1/versions

0.11.16-1

Source reference: /affected/1/versions

0.11.9-1

Source reference: /affected/1/versions

0.11.9-2

Source reference: /affected/1/versions

0.11.9-3

Source reference: /affected/1/versions

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

rust-quinn-proto

Source reference: /affected/2/package/name

Affected versions
0.11.13-1

Source reference: /affected/2/versions

0.11.9-1

Source reference: /affected/2/versions

0.11.9-2

Source reference: /affected/2/versions

0.11.9-3

Source reference: /affected/2/versions

Fixed versions
0.11.14-1

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": "rust-quinn-proto",
      "purl": "pkg:deb/debian/rust-quinn-proto?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "0.10.2-1",
      "0.10.5-1",
      "0.10.5-2",
      "0.10.6-1",
      "0.11.13-1",
      "0.11.14-1",
      "0.11.16-1",
      "0.11.9-1",
      "0.11.9-2",
      "0.11.9-3",
      "0.9.2-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-31812.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "rust-quinn-proto",
      "purl": "pkg:deb/debian/rust-quinn-proto?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "0.11.13-1",
      "0.11.14-1",
      "0.11.16-1",
      "0.11.9-1",
      "0.11.9-2",
      "0.11.9-3"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-31812.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0.11.14-1"
          }
        ]
      }
    ],
    "package": {
      "name": "rust-quinn-proto",
      "purl": "pkg:deb/debian/rust-quinn-proto?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "0.11.13-1",
      "0.11.9-1",
      "0.11.9-2",
      "0.11.9-3"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-31812.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#56382 · Revision 1
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Publisher date
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