Medium severity · published Oct 13, 2026
CVE-2026-105460
Bluez: bluez: stack-based out-of-bounds read in btmon via unvalidated num_keys in return_link_keys_evt()
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
A flaw was found in BlueZ. An out-of-bounds read vulnerability exists in the btmon Bluetooth monitor tool when processing crafted HCI Return Link Keys events. A maliciously crafted btsnoop capture file can specify a large number of link keys that exceeds the actual packet data, causing btmon to read beyond the allocated buffer and crash.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105460
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105460
vdb-entry
https://access.redhat.com/security/cve/CVE-2026-105460
issue-tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2545923
redhat.atlassian.net
https://redhat.atlassian.net/browse/PSIRTSUPT-24932
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