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bluez — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2026-75032

A flaw was found in BlueZ. Insufficient validation of packet length fields in GetFolderItems responses within the Audio/Video Remote Control Profile (AVRCP) implementation allows a malicious Bluetooth device within range to cause an out-of-bounds memory read. This vulnerability, affecting the parse_media_element() and parse_media_folder() functions, can lead to a crash of the bluetoothd daemon, resulting in a Denial of Service (DoS). It could also potentially expose sensitive heap memory contents. Exploitation requires user interaction to pair with the malicious device.

Products
bluez
Affected versions
5.35-0ubuntu2, 5.36-0ubuntu1, 5.37-0ubuntu5, 5.37-0ubuntu5.1, 5.37-0ubuntu5.3, 5.37-0ubuntu5.3+esm1, 5.37-0ubuntu5.3+esm2, 5.37-0ubuntu5.3+esm3, 5.37-0ubuntu5.3+esm4, 5.37-0ubuntu5.3+esm5, 5.46-0ubuntu3, 5.46-0ubuntu4, 5.48-0ubuntu3, 5.48-0ubuntu3.1, 5.48-0ubuntu3.2, 5.48-0ubuntu3.3, 5.48-0ubuntu3.4, 5.48-0ubuntu3.5, 5.48-0ubuntu3.6, 5.48-0ubuntu3.7, 5.48-0ubuntu3.8, 5.48-0ubuntu3.9, 5.48-0ubuntu3.9+esm1, 5.48-0ubuntu3.9+esm2, 5.50-0ubuntu4, 5.51-0ubuntu1, 5.51-0ubuntu2, 5.52-0ubuntu1, 5.52-0ubuntu2, 5.53-0ubuntu1, 5.53-0ubuntu2, 5.53-0ubuntu3, 5.53-0ubuntu3.1, 5.53-0ubuntu3.2, 5.53-0ubuntu3.3, 5.53-0ubuntu3.4, 5.53-0ubuntu3.5, 5.53-0ubuntu3.6, 5.53-0ubuntu3.7, 5.53-0ubuntu3.8, 5.53-0ubuntu3.9, 5.60-0ubuntu2, 5.62-0ubuntu1, 5.62-0ubuntu2, 5.63-0ubuntu1, 5.63-0ubuntu2, 5.64-0ubuntu1, 5.64-0ubuntu1.1, 5.64-0ubuntu1.3, 5.64-0ubuntu1.4, 5.68-0ubuntu1, 5.70-0ubuntu1, 5.70-0ubuntu2, 5.70-0ubuntu3, 5.71-0ubuntu3, 5.71-1ubuntu2, 5.71-1ubuntu3, 5.72-0ubuntu1, 5.72-0ubuntu3, 5.72-0ubuntu4, 5.72-0ubuntu5, 5.72-0ubuntu5.1, 5.72-0ubuntu5.3, 5.72-0ubuntu5.4, 5.72-0ubuntu5.5, 5.72-0ubuntu5.6, 5.83-1~exp1, 5.84-1, 5.85-1, 5.85-2, 5.85-3, 5.85-4, 5.85-4ubuntu0.1, 5.85-4ubuntu0.2, 5.85-4ubuntu1, 5.87-1, 5.87-2, 5.87-3, 5.87-4
Fixed versions
5.37-0ubuntu5.3+esm6, 5.48-0ubuntu3.9+esm3, 5.53-0ubuntu3.9+esm1, 5.64-0ubuntu1.5, 5.72-0ubuntu5.7, 5.85-4ubuntu0.3
CVEs
CVE-2026-75032
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 03:17 UTC · Revision 1

Source evidence

UBUNTU-CVE-2026-75032

core-osv · Original source

Published 18 Aug 2026, 15:17 UTC

A flaw was found in BlueZ. Insufficient validation of packet length fields in GetFolderItems responses within the Audio/Video Remote Control Profile (AVRCP) implementation allows a malicious Bluetooth device within range to cause an out-of-bounds memory read. This vulnerability, affecting the parse_media_element() and parse_media_folder() functions, can lead to a crash of the bluetoothd daemon, resulting in a Denial of Service (DoS). It could also potentially expose sensitive heap memory contents. Exploitation requires user interaction to pair with the malicious device.

osv:UBUNTU-CVE-2026-75032

bluez

Fixed versions: 5.37-0ubuntu5.3+esm6

bluez

Fixed versions: 5.48-0ubuntu3.9+esm3

bluez

Fixed versions: 5.53-0ubuntu3.9+esm1

bluez

Fixed versions: 5.64-0ubuntu1.5

bluez

Fixed versions: 5.72-0ubuntu5.7

bluez

Fixed versions: Not specified

bluez

Fixed versions: 5.85-4ubuntu0.3

Complete source record
{
  "id": "00710ac6481efefc6e3cd5a7d471dae64cc688d4d57adafd1db7a6f181e3a847",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-75032",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2026-75032",
    "summary": "A flaw was found in BlueZ. Insufficient validation of packet length fields in GetFolderItems responses within the Audio/Video Remote Control Profile (AVRCP) implementation allows a malicious Bluetooth device within range to cause an out-of-bounds memory read. This vulnerability, affecting the parse_media_element() and parse_media_folder() functions, can lead to a crash of the bluetoothd daemon, resulting in a Denial of Service (DoS). It could also potentially expose sensitive heap memory contents. Exploitation requires user interaction to pair with the malicious device.",
    "evidence": "osv:UBUNTU-CVE-2026-75032",
    "products": [
      {
        "name": {
          "value": "bluez",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.37-0ubuntu5.3+esm6",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "5.35-0ubuntu2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.36-0ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.37-0ubuntu5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.37-0ubuntu5.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.37-0ubuntu5.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.37-0ubuntu5.3+esm1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.37-0ubuntu5.3+esm2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.37-0ubuntu5.3+esm3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.37-0ubuntu5.3+esm4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "5.37-0ubuntu5.3+esm5",
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          {
            "value": "5.46-0ubuntu3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.46-0ubuntu4",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.4",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.5",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.6",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.7",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.8",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.9",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.9+esm1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "5.48-0ubuntu3.9+esm2",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "bluez",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.53-0ubuntu3.9+esm1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "5.50-0ubuntu4",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.51-0ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.51-0ubuntu2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.52-0ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.52-0ubuntu2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu3",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu3.1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu3.2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu3.3",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu3.4",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu3.5",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu3.6",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu3.7",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu3.8",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "5.53-0ubuntu3.9",
            "evidence": "/affected/2/versions"
          }
        ]
      },
      {
        "name": {
          "value": "bluez",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.64-0ubuntu1.5",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "5.60-0ubuntu2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "5.62-0ubuntu1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "5.62-0ubuntu2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "5.63-0ubuntu1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "5.63-0ubuntu2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "5.64-0ubuntu1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "5.64-0ubuntu1.1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "5.64-0ubuntu1.3",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "5.64-0ubuntu1.4",
            "evidence": "/affected/3/versions"
          }
        ]
      },
      {
        "name": {
          "value": "bluez",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.72-0ubuntu5.7",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "5.68-0ubuntu1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.70-0ubuntu1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.70-0ubuntu2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.70-0ubuntu3",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.71-0ubuntu3",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.71-1ubuntu2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.71-1ubuntu3",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.72-0ubuntu1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.72-0ubuntu3",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.72-0ubuntu4",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.72-0ubuntu5",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.72-0ubuntu5.1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.72-0ubuntu5.3",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.72-0ubuntu5.4",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.72-0ubuntu5.5",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "5.72-0ubuntu5.6",
            "evidence": "/affected/4/versions"
          }
        ]
      },
      {
        "name": {
          "value": "bluez",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "5.85-4",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "5.85-4ubuntu1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "5.87-1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "5.87-2",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "5.87-3",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "5.87-4",
            "evidence": "/affected/5/versions"
          }
        ]
      },
      {
        "name": {
          "value": "bluez",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.85-4ubuntu0.3",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "5.83-1~exp1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "5.84-1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "5.85-1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "5.85-2",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "5.85-3",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "5.85-4",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "5.85-4ubuntu0.1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "5.85-4ubuntu0.2",
            "evidence": "/affected/6/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2026-75032",
      "aliases": [
        "UBUNTU-CVE-2026-75032"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.37-0ubuntu5.3+esm6"
                }
              ]
            }
          ],
          "package": {
            "name": "bluez",
            "purl": "pkg:deb/ubuntu/bluez?arch=source&distro=esm-infra-legacy%2Fxenial",
            "ecosystem": "Ubuntu:Pro:16.04:LTS"
          },
          "versions": [
            "5.35-0ubuntu2",
            "5.36-0ubuntu1",
            "5.37-0ubuntu5",
            "5.37-0ubuntu5.1",
            "5.37-0ubuntu5.3",
            "5.37-0ubuntu5.3+esm1",
            "5.37-0ubuntu5.3+esm2",
            "5.37-0ubuntu5.3+esm3",
            "5.37-0ubuntu5.3+esm4",
            "5.37-0ubuntu5.3+esm5"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-75032.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "bluetooth",
                "binary_version": "5.37-0ubuntu5.3+esm6"
              },
              {
                "binary_name": "bluez",
                "binary_version": "5.37-0ubuntu5.3+esm6"
              },
              {
                "binary_name": "bluez-cups",
                "binary_version": "5.37-0ubuntu5.3+esm6"
              },
              {
                "binary_name": "bluez-hcidump",
                "binary_version": "5.37-0ubuntu5.3+esm6"
              },
              {
                "binary_name": "bluez-obexd",
                "binary_version": "5.37-0ubuntu5.3+esm6"
              },
              {
                "binary_name": "bluez-tests",
                "binary_version": "5.37-0ubuntu5.3+esm6"
              },
              {
                "binary_name": "libbluetooth3",
                "binary_version": "5.37-0ubuntu5.3+esm6"
              }
            ],
            "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.48-0ubuntu3.9+esm3"
                }
              ]
            }
          ],
          "package": {
            "name": "bluez",
            "purl": "pkg:deb/ubuntu/bluez?arch=source&distro=esm-infra%2Fbionic",
            "ecosystem": "Ubuntu:Pro:18.04:LTS"
          },
          "versions": [
            "5.46-0ubuntu3",
            "5.46-0ubuntu4",
            "5.48-0ubuntu3",
            "5.48-0ubuntu3.1",
            "5.48-0ubuntu3.2",
            "5.48-0ubuntu3.3",
            "5.48-0ubuntu3.4",
            "5.48-0ubuntu3.5",
            "5.48-0ubuntu3.6",
            "5.48-0ubuntu3.7",
            "5.48-0ubuntu3.8",
            "5.48-0ubuntu3.9",
            "5.48-0ubuntu3.9+esm1",
            "5.48-0ubuntu3.9+esm2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-75032.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "bluetooth",
                "binary_version": "5.48-0ubuntu3.9+esm3"
              },
              {
                "binary_name": "bluez",
                "binary_version": "5.48-0ubuntu3.9+esm3"
              },
              {
                "binary_name": "bluez-cups",
                "binary_version": "5.48-0ubuntu3.9+esm3"
              },
              {
                "binary_name": "bluez-hcidump",
                "binary_version": "5.48-0ubuntu3.9+esm3"
              },
              {
                "binary_name": "bluez-obexd",
                "binary_version": "5.48-0ubuntu3.9+esm3"
              },
              {
                "binary_name": "bluez-tests",
                "binary_version": "5.48-0ubuntu3.9+esm3"
              },
              {
                "binary_name": "libbluetooth3",
                "binary_version": "5.48-0ubuntu3.9+esm3"
              }
            ],
            "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.53-0ubuntu3.9+esm1"
                }
              ]
            }
          ],
          "package": {
            "name": "bluez",
            "purl": "pkg:deb/ubuntu/bluez?arch=source&distro=esm-infra%2Ffocal",
            "ecosystem": "Ubuntu:Pro:20.04:LTS"
          },
          "versions": [
            "5.50-0ubuntu4",
            "5.51-0ubuntu1",
            "5.51-0ubuntu2",
            "5.52-0ubuntu1",
            "5.52-0ubuntu2",
            "5.53-0ubuntu1",
            "5.53-0ubuntu2",
            "5.53-0ubuntu3",
            "5.53-0ubuntu3.1",
            "5.53-0ubuntu3.2",
            "5.53-0ubuntu3.3",
            "5.53-0ubuntu3.4",
            "5.53-0ubuntu3.5",
            "5.53-0ubuntu3.6",
            "5.53-0ubuntu3.7",
            "5.53-0ubuntu3.8",
            "5.53-0ubuntu3.9"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-75032.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "bluetooth",
                "binary_version": "5.53-0ubuntu3.9+esm1"
              },
              {
                "binary_name": "bluez",
                "binary_version": "5.53-0ubuntu3.9+esm1"
              },
              {
                "binary_name": "bluez-cups",
                "binary_version": "5.53-0ubuntu3.9+esm1"
              },
              {
                "binary_name": "bluez-hcidump",
                "binary_version": "5.53-0ubuntu3.9+esm1"
              },
              {
                "binary_name": "bluez-obexd",
                "binary_version": "5.53-0ubuntu3.9+esm1"
              },
              {
                "binary_name": "bluez-tests",
                "binary_version": "5.53-0ubuntu3.9+esm1"
              },
              {
                "binary_name": "libbluetooth3",
                "binary_version": "5.53-0ubuntu3.9+esm1"
              }
            ],
            "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.64-0ubuntu1.5"
                }
              ]
            }
          ],
          "package": {
            "name": "bluez",
            "purl": "pkg:deb/ubuntu/bluez?arch=source&distro=jammy",
            "ecosystem": "Ubuntu:22.04:LTS"
          },
          "versions": [
            "5.60-0ubuntu2",
            "5.62-0ubuntu1",
            "5.62-0ubuntu2",
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      ],
      "modified": "2026-10-17T13:01:05.702442536Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-75032"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2026-75032",
        "https://www.cve.org/CVERecord?id=CVE-2026-75032",
        "https://ubuntu.com/security/notices/USN-8908-1"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-75032",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 360959,
  "published_at": "2026-08-18T15:17:00+00:00"
}