Bluetooth HFP Profile Protocol Dissector Vulnerability in Wireshark
CVE-2026-76923

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
19 August 2026

What is CVE-2026-76923?

A vulnerability in the Bluetooth Hands-Free Profile (HFP) protocol dissector of Wireshark versions 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows remote attackers to trigger a crash. This results in a denial of service condition, potentially causing instability and interruption in Wireshark's functionality. It is crucial for users of the affected versions to update to a patched release to maintain robust security measures.

Affected Version(s)

Wireshark 4.6.0 < 4.6.8

Wireshark 4.4.0 < 4.4.18

References

https://www.wireshark.org/security/wnpa-sec-2026-79.html
https://gitlab.com/wireshark/wireshark/-/work_items/21451

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Aisle Research (Dmitrijs Trizna, Luigino Camastra, Ze Sheng (O2Lab & TAMU), Igor Morgenstern)
.