CVE-2026-76922
published 2026-08-19CVE-2026-76922: Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
PriorityP418medium5.5CVSS 3.1
AVLACLPRNUIRSUCNINAH
EPSS
0.14%
2.9th percentile
Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| gitlab | wireshark | — | — |
| wireshark | wireshark | — | — |
| wireshark | wireshark | >= 4.4.0 < 4.4.18 | 4.4.18 |
| wireshark | wireshark | >= 4.6.0 < 4.6.8 | 4.6.8 |
| wireshark_foundation | wireshark | >= 4.4.0 < 4.4.18 | 4.4.18 |
| wireshark_foundation | wireshark | >= 4.6.0 < 4.6.8 | 4.6.8 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vendor_redhat5.5MEDIUM
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GHSA
Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
ghsa_unreviewed·2026-08-20
CVE-2026-76922 [MEDIUM] CWE-476 Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
VulDB
Wireshark up to 4.4.17/4.6.7 FHS Protocol Dissector denial of service
vuldb·2026-08-20·CVSS 5.5
CVE-2026-76922 [MEDIUM] Wireshark up to 4.4.17/4.6.7 FHS Protocol Dissector denial of service
A vulnerability marked as problematic has been reported in Wireshark up to 4.4.17/4.6.7. Affected is an unknown function of the component FHS Protocol Dissector. Performing a manipulation results in denial of service.
This vulnerability is cataloged as CVE-2026-76922. The attack must be initiated from a local position. There is no exploit available.
It is suggested to upgrade the affected component.
Red Hat
wireshark: Wireshark: Denial of Service via Bluetooth BR/EDR FHS protocol dissector crash
vendor_redhat·2026-08-19·CVSS 5.5
CVE-2026-76922 [MEDIUM] CWE-617 wireshark: Wireshark: Denial of Service via Bluetooth BR/EDR FHS protocol dissector crash
wireshark: Wireshark: Denial of Service via Bluetooth BR/EDR FHS protocol dissector crash
Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
A flaw was found in Wireshark. A local attacker could exploit a crash in the Bluetooth BR/EDR FHS protocol dissector, requiring user interaction. This vulnerability could lead to a denial of service, making the application unavailable to users.
Statement: This Moderate impact flaw in Wireshark is due to a Bluetooth BR/EDR FHS protocol dissector crash. Exploitation requires user interaction, as an attacker must convince a local user to open a specially crafted capture file, leading to a denial of service for the application.
Mitigation: To mitigate this issue, users should avoid opening untr
GitLab
NULL Pointer Dereference in Wireshark
vendor_gitlab·2026-08-19·CVSS 5.5
CVE-2026-76922 [MEDIUM] CWE-476 NULL Pointer Dereference in Wireshark
NULL Pointer Dereference in Wireshark
Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Affected products: Wireshark
Affected versions: >=4.6.0, =4.4.0, <4.4.18 (affected)
Solution: Upgrade to version 4.6.8 or above
Credit: Aisle Research (Dmitrijs Trizna, Luigino Camastra, Ze Sheng (O2Lab & TAMU), Igor Morgenstern)
No detection rules found.
No public exploits indexed.
2026-08-19
Published