What is CVE-2016-9799?

CVE-2016-9799 is a medium-severity vulnerability in Bluez, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2016-12-03.

How severe is CVE-2016-9799?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Bluez

CVE-2016-9799

In BlueZ 5.42, a buffer overflow was observed in "pklg_read_hci" function in "btsnoop.c" source file. This issue can be triggered by processing a corrupted dump file and will result in btmon crash.

Vulnerability class: Buffer Overflow

Published 2016-12-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.020 (80.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Bluez — versions 5.42

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.spinics.net/lists/linux-bluetooth/msg68898.html (Exploit, Third Party Advisory)
www.securityfocus.com/bid/94652 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-9799?: CVE-2016-9799 is a medium-severity vulnerability in Bluez, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2016-12-03.
How severe is CVE-2016-9799?: Medium severity. CVSS v3 base score is 5.3 out of 10.