DEBIAN-CVE-2019-9506

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2019-9506
Published: 14 Aug 2019, 17:15
Last modified:28 Apr 2026, 20:21

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
8.1 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Aug 2019, 17:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:21
Last Modified
Vulnerability information updated

Description

The Bluetooth BR/EDR specification up to and including version 5.1 permits sufficiently low encryption key length and does not prevent an attacker from influencing the key length negotiation. This allows practical brute-force attacks (aka "KNOB") that can decrypt traffic and inject arbitrary ciphertext without the victim noticing.

CVSS Metrics

  • v3.1•HIGH•Score: 8.1CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Systems

  • debian•linux

    < 5.2.6-1 | < 5.2.6-1 | < 5.2.6-1 | < 5.2.6-1

References (1)