DEBIAN-CVE-2026-19774
BlueZ A2DP Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of BlueZ. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The specific flaw exists within the handling of the stream endpoints. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-29429.
DEBIAN-CVE-2026-19774
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-2026-19774
bluez
Source reference: /affected/0/package/name
- Affected versions
- 5.66-1
Source reference:
/affected/0/versions5.66-1+deb12u1Source reference:
/affected/0/versions5.66-1+deb12u2Source reference:
/affected/0/versions5.68-1Source reference:
/affected/0/versions5.68-2Source reference:
/affected/0/versions5.69-1Source reference:
/affected/0/versions5.70-1Source reference:
/affected/0/versions5.70-1.1Source reference:
/affected/0/versions5.70-1.1~exp0Source reference:
/affected/0/versions5.71-1Source reference:
/affected/0/versions5.73-1Source reference:
/affected/0/versions5.73-1.1Source reference:
/affected/0/versions5.77-1Source reference:
/affected/0/versions5.79-1Source reference:
/affected/0/versions5.79-2Source reference:
/affected/0/versions5.82-1Source reference:
/affected/0/versions5.82-1.1Source reference:
/affected/0/versions5.83-1Source reference:
/affected/0/versions5.83-1~exp1Source reference:
/affected/0/versions5.84-1Source reference:
/affected/0/versions5.85-1Source reference:
/affected/0/versions5.85-2Source reference:
/affected/0/versions5.85-3Source reference:
/affected/0/versions5.85-4Source reference:
/affected/0/versions5.87-1Source reference:
/affected/0/versions5.87-2Source reference:
/affected/0/versions5.87-3Source reference:
/affected/0/versions5.87-4Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
bluez
Source reference: /affected/1/package/name
- Affected versions
- 5.82-1.1
Source reference:
/affected/1/versions5.83-1Source reference:
/affected/1/versions5.83-1~exp1Source reference:
/affected/1/versions5.84-1Source reference:
/affected/1/versions5.85-1Source reference:
/affected/1/versions5.85-2Source reference:
/affected/1/versions5.85-3Source reference:
/affected/1/versions5.85-4Source reference:
/affected/1/versions5.87-1Source reference:
/affected/1/versions5.87-2Source reference:
/affected/1/versions5.87-3Source reference:
/affected/1/versions5.87-4Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
bluez
Source reference: /affected/2/package/name
- Affected versions
- 5.82-1.1
Source reference:
/affected/2/versions5.83-1Source reference:
/affected/2/versions5.83-1~exp1Source reference:
/affected/2/versions5.84-1Source reference:
/affected/2/versions5.85-1Source reference:
/affected/2/versions5.85-2Source reference:
/affected/2/versions5.85-3Source reference:
/affected/2/versions5.85-4Source reference:
/affected/2/versions - Fixed versions
- 5.87-1
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": "bluez",
"purl": "pkg:deb/debian/bluez?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"5.66-1",
"5.66-1+deb12u1",
"5.66-1+deb12u2",
"5.68-1",
"5.68-2",
"5.69-1",
"5.70-1",
"5.70-1.1",
"5.70-1.1~exp0",
"5.71-1",
"5.73-1",
"5.73-1.1",
"5.77-1",
"5.79-1",
"5.79-2",
"5.82-1",
"5.82-1.1",
"5.83-1",
"5.83-1~exp1",
"5.84-1",
"5.85-1",
"5.85-2",
"5.85-3",
"5.85-4",
"5.87-1",
"5.87-2",
"5.87-3",
"5.87-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-19774.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "bluez",
"purl": "pkg:deb/debian/bluez?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"5.82-1.1",
"5.83-1",
"5.83-1~exp1",
"5.84-1",
"5.85-1",
"5.85-2",
"5.85-3",
"5.85-4",
"5.87-1",
"5.87-2",
"5.87-3",
"5.87-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-19774.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.87-1"
}
]
}
],
"package": {
"name": "bluez",
"purl": "pkg:deb/debian/bluez?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"5.82-1.1",
"5.83-1",
"5.83-1~exp1",
"5.84-1",
"5.85-1",
"5.85-2",
"5.85-3",
"5.85-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-19774.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #55567 · Revision 1
- Added to Heist Feed
- Publisher date