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CVE-2026-15167: CWE-121: Stack-based Buffer Overflow in Wireshark Foundation Wireshark

0
High
VulnerabilityCVE-2026-15167cvecve-2026-15167cwe-121
Published: 07/08/2026 (07/08/2026, 20:51:00 UTC)
Source: CVE Database V5
Vendor/Project: Wireshark Foundation
Product: Wireshark

Description

A stack-based buffer overflow vulnerability exists in the DBS Etherwatch file parser of Wireshark versions 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16. This flaw can cause the application to crash, resulting in a denial of service condition.

CVSS v3.1

Score 7.5high

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

Affected software

GitHub Actionsmore threats →ai
wireshark/wireshark
pkg:github/wireshark/wireshark
Affected versions
=4.4.0 <=4.4.16=4.6.0 <=4.6.6

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/08/2026, 21:28:48 UTC

Technical Analysis

CVE-2026-15167 is a high-severity stack-based buffer overflow vulnerability (CWE-121) in the DBS Etherwatch file parser component of Wireshark. It affects Wireshark versions 4.6.0 through 4.6.6 and 4.4.0 through 4.4.16. The vulnerability allows crafted files to cause a crash, leading to denial of service. There is no indication of confidentiality or integrity impact. No official patch or remediation level has been published at this time.

Potential Impact

Successful exploitation results in denial of service by crashing the Wireshark application when processing malicious DBS Etherwatch files. There is no reported impact on confidentiality or integrity.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid opening untrusted DBS Etherwatch files with affected Wireshark versions.

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Technical Details

Data Version
5.2
Assigner Short Name
GitLab
Date Reserved
2026-07-08T20:45:33.866Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a4ebdf4c9d9e3dbe3bf8a07

Added to database: 07/08/2026, 21:15:32 UTC

Last enriched: 07/08/2026, 21:28:48 UTC

Last updated: 07/08/2026, 22:23:07 UTC

Views: 4

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