> USN-8908-1: BlueZ vulnerabilities

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)