Wireshark up to 4.4.17/4.6.7 Bluetooth Attribute Protocol Dissector denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Wireshark up to 4.4.17/4.6.7. This vulnerability affects unknown code of the component Bluetooth Attribute Protocol Dissector. This manipulation causes denial of service. This vulnerability appears as CVE-2026-76882. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability has been found in Wireshark up to 4.4.17/4.6.7 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Bluetooth Attribute Protocol Dissector. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

Bluetooth Attribute Protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

It is possible to read the advisory at wireshark.org. This vulnerability is known as CVE-2026-76882 since 08/20/2026. The exploitation appears to be easy. Attacking locally is a requirement. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 4.4.18 or 4.6.8 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 2.8
VulDB Temp Score: 2.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.7
CNA Vector (GitLab): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Wireshark 4.4.18/4.6.8

Timelineinfo

08/19/2026 VulDB entry created
08/20/2026 +0 days Advisory disclosed
08/20/2026 +0 days CVE reserved
08/20/2026 +0 days VulDB entry last update

Sourcesinfo

Product: wireshark.org

Advisory: wireshark.org
Status: Confirmed

CVE: CVE-2026-76882 (🔒)
GCVE (CVE): GCVE-0-2026-76882
GCVE (VulDB): GCVE-100-393583

Entryinfo

Created: 08/20/2026 01:07
Changes: 08/20/2026 01:07 (63)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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