High [CVE-2026-85218] AVRCP ListPlayerAttributes double stack overflow in avrcp_list_player_attributes_rsp/avrcp_get_current_player_value
This high-severity Red Hat Linux advisory covers CVE-2026-85218 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat package: bluez.
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Summary
A double stack-based buffer overflow was found in the BlueZ AVRCP controller implementation.
A nearby BR/EDR peripheral can send a crafted AVRCP player-settings response that supplies an attacker-controlled attribute count, causing avrcp_list_player_attributes_rsp() and avrcp_get_current_player_value() in profiles/audio/avrcp.c to write attacker-controlled data past fixed-size stack buffers, potentially leading to a crash or code execution in the bluetoothd daemon.
Red Hat CVSSv3 score is an estimate from CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N. This vulnerability requires user interaction and does not have any impact on the subsequent system, thus the scope is unchanged.
Red Hat severity: Important — CVSS 7.1 (CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-121.
Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9. Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: bluez.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Affected version is v5.87.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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