Medium (5.3) in bluez bluez. EPSS 3.9% chance of exploitation in the next 30 days.
In BlueZ 5.42, a use-after-free was identified in "conf_opt" function in "tools/parser/l2cap.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
Severity
CVSS 3.0
5.3 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
3.9% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)