Summary
Michael Bommarito discovered that BlueZ incorrectly handled codec capability storage in the A2DP profile. An attacker could possibly use this issue to cause a stack buffer overflow, resulting in a denial of service or arbitrary code execution. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-19774)
It was discovered that BlueZ incorrectly handled packet length validation. An attacker could possibly use this issue to read out of bounds memory, causing a crash or exposing sensitive information. (CVE-2026-75032)
It was discovered that BlueZ incorrectly handled crafted XML input. An attacker could possibly use this issue to crash BlueZ, resulting in a denial of service. (CVE-2026-80185)
It was discovered that BlueZ incorrectly parsed remote names from Extended Inquiry Response data. An attacker could possibly use this issue to cause a stack buffer overflow, resulting in a denial of service or arbitrary code execution. (CVE-2026-80186)
Alexandro Calo discovered that BlueZ incorrectly parsed certain responses in the AVRCP profile. An attacker could possibly use this issue to access out of bounds memory, causing a crash or exposing sensitive information. (CVE-2026-85218)
Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
Separate remediation guidance was not included in the collected bulletin.
CVEs in this advisory 5
Updates
- Published by Ubuntu
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.