CVE-2021-39929
CVSS v3
7.5
HIGH
EPSS Score
3.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Uncontrolled Recursion in the Bluetooth DHT dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
Technical details
- Published
- 2021-11-19
Frequently asked questions
What is CVE-2021-39929?
Uncontrolled Recursion in the Bluetooth DHT dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
Is CVE-2021-39929 actively exploited?
Active exploitation of CVE-2021-39929 has not been confirmed. Its EPSS score was 3.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-39929?
CVE-2021-39929 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-39929 affecting your environment?
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