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EPSS 0.1%top 97%

CVE-2026-76917: CWE-122: Heap-based Buffer Overflow in Wireshark Foundation Wireshark

0
Medium
VulnerabilityCVE-2026-76917cvecve-2026-76917cwe-122gcveosvghsa-x2ff-jvpc-h94mghsa
Published: 08/19/2026 (08/19/2026, 22:44:10 UTC)
Source: CVE Database V5
Vendor/Project: Wireshark Foundation
Product: Wireshark

Description

Bluetooth AVRCP Profile protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS v3.1

Score 5.5medium

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected software

Wireshark Foundation

Wireshark

Affected versions
>=4.6.0 <4.6.8>=4.4.0 <4.4.18
GitHub Actionsmore threats →ai
wireshark/wireshark
pkg:github/wireshark/wireshark
Affected versions
=4.4.0<=4.4.18>=4.6.0 <=4.6.7

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/18/2026, 23:34:56 UTC

Technical Analysis

CVE-2026-76917 is a heap-based buffer overflow vulnerability (CWE-122) in the Bluetooth AVRCP Profile protocol dissector of Wireshark. It affects versions from 4.4.0 up to and including 4.4.18 and from 4.6.0 up to and including 4.6.7. The vulnerability allows an attacker to cause a denial of service by crashing the application when processing malformed Bluetooth AVRCP protocol data.

Potential Impact

Successful exploitation leads to denial of service by crashing Wireshark. There is no indication of confidentiality or integrity impact. The CVSS v3.1 base score is 5.5 (medium severity), reflecting local attack vector, low complexity, no privileges required, user interaction required, and impact limited to availability.

Mitigation Recommendations

No official patch or fix information is provided in the available data. Patch status is not yet confirmed — check the Wireshark Foundation advisory or official sources for current remediation guidance. Until a fix is available, avoid processing untrusted Bluetooth AVRCP protocol data with affected Wireshark versions.

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Technical Details

Data Version
5.2
Assigner Short Name
GitLab
Date Reserved
2026-08-19T22:43:55.630Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a8633c5acd9273b49b8ad0a

Added to database: 08/19/2026, 22:52:53 UTC

Last enriched: 09/18/2026, 23:34:56 UTC

Last updated: 10/04/2026, 10:02:29 UTC

Views: 55

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