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UBUNTU-CVE-2026-6726

Type: withdrawalSource: OSV1 source record

An information leakage vulnerability was reported in the TCG TPM 2.0 reference code that could allow a local attacker with elevated privileges to obtain a credential from a TPM-aware CA for a falsified TPM key (such as an Attestation Key, DevID Key or TLS authentication key) and falsify other TPM 2.0 attestations with this key. See also TCG VRT0010.

Announced Source revision 1
Original source ↗

UBUNTU-CVE-2026-6726

Primary source · Revision 1 · Withdrawn

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

Security context

Source reference: osv:UBUNTU-CVE-2026-6726

libtpms

Source reference: /affected/0/package/name

Affected versions
0.8.2-1ubuntu1

Source reference: /affected/0/versions

0.9.0-0ubuntu1

Source reference: /affected/0/versions

0.9.0-0ubuntu2

Source reference: /affected/0/versions

0.9.0-0ubuntu3

Source reference: /affected/0/versions

0.9.0-0ubuntu4

Source reference: /affected/0/versions

0.9.3-0ubuntu1

Source reference: /affected/0/versions

0.9.3-0ubuntu1.22.04.1

Source reference: /affected/0/versions

0.9.3-0ubuntu1.22.04.2

Source reference: /affected/0/versions

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

libtpms

Source reference: /affected/1/package/name

Affected versions
0.9.3-0ubuntu2

Source reference: /affected/1/versions

0.9.3-0ubuntu3

Source reference: /affected/1/versions

0.9.3-0ubuntu4

Source reference: /affected/1/versions

0.9.3-0ubuntu4.24.04.1

Source reference: /affected/1/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": "libtpms",
      "purl": "pkg:deb/ubuntu/libtpms?arch=source&distro=jammy",
      "ecosystem": "Ubuntu:22.04:LTS"
    },
    "versions": [
      "0.8.2-1ubuntu1",
      "0.9.0-0ubuntu1",
      "0.9.0-0ubuntu2",
      "0.9.0-0ubuntu3",
      "0.9.0-0ubuntu4",
      "0.9.3-0ubuntu1",
      "0.9.3-0ubuntu1.22.04.1",
      "0.9.3-0ubuntu1.22.04.2"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6726.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "libtpms0",
          "binary_version": "0.9.3-0ubuntu1.22.04.2"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "libtpms",
      "purl": "pkg:deb/ubuntu/libtpms?arch=source&distro=noble",
      "ecosystem": "Ubuntu:24.04:LTS"
    },
    "versions": [
      "0.9.3-0ubuntu2",
      "0.9.3-0ubuntu3",
      "0.9.3-0ubuntu4",
      "0.9.3-0ubuntu4.24.04.1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6726.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "libtpms0",
          "binary_version": "0.9.3-0ubuntu4.24.04.1"
        }
      ]
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#29746 · Revision 1
Added to Heist Feed
Publisher date
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