src/sdp.c in bluez-libs 3.30 in BlueZ, and other bluez-libs before 3.34 and bluez-utils before 3.34 versions, does not validate string length fields in SDP packets, which allows remote SDP servers to cause a denial of service or possibly have unspecified other impact via a crafted length field that triggers excessive memory allocation or a buffer over-read.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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