Stack-based buffer overflow in BlueZ - CVE-2026-19774

 

Stack-based buffer overflow in BlueZ - CVE-2026-19774

Published: August 28, 2026


Vulnerability identifier: #VU146027
CSH Severity: Medium
CVSS v4: 7.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-19774
CWE-ID: CWE-121
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the handling of the stream endpoints. A remote attacker on the local network can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

BlueZ

How to mitigate CVE-2026-19774

Install updates from vendor's website.


External References

Related Security Bulletins