How severe is CVE-2016-9798?

CVE-2016-9798 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2016-9798 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9798?

CVE-2016-9798 affects Bluez. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-9798?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-9798 published?

CVE-2016-9798 was published on 2016-12-03 and last updated on 2026-06-17.

CVE-2016-9798

CVE-2016-9798 is a medium-severity vulnerability in Bluez with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Bluez
Published: 2016-12-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2016-9798?: 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.
How severe is CVE-2016-9798?: CVE-2016-9798 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2016-9798 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9798?: CVE-2016-9798 affects Bluez. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-9798?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-9798 published?: CVE-2016-9798 was published on 2016-12-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bluez:bluez:5.42:*:*:*:*:*:*:*

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