Wireshark up to 4.4.14/4.6.4 Monero Protocol Dissector recursion

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Wireshark up to 4.4.14/4.6.4. The affected element is an unknown function of the component Monero Protocol Dissector. Executing a manipulation can lead to recursion. This vulnerability is handled as CVE-2026-5409. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Wireshark up to 4.4.14/4.6.4 and classified as problematic. This vulnerability affects an unknown functionality of the component Monero Protocol Dissector. The manipulation with an unknown input leads to a recursion vulnerability. The CWE definition for the vulnerability is CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. As an impact it is known to affect availability. CVE summarizes:

Monero protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

The weakness was released by Brendan Coles as 21066. The advisory is shared for download at wireshark.org. This vulnerability was named CVE-2026-5409 since 04/02/2026. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 311427 (Wireshark 4.6.x < 4.6.5 Multiple Vulnerabilities (macOS)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.4.15 or 4.6.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (311427), EUVD (EUVD-2026-26322) and CERT Bund (WID-SEC-2026-1311). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Open Source Wireshark

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (GitLab): 🔒

CVSSv2info

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

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 311427
Nessus Name: Wireshark 4.6.x < 4.6.5 Multiple Vulnerabilities (macOS)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Wireshark 4.4.15/4.6.5

Timelineinfo

04/02/2026 CVE reserved
04/30/2026 +28 days Advisory disclosed
04/30/2026 +0 days VulDB entry created
05/01/2026 +1 days VulDB entry last update

Sourcesinfo

Product: wireshark.org

Advisory: 21066
Researcher: Brendan Coles
Status: Confirmed

CVE: CVE-2026-5409 (🔒)
GCVE (CVE): GCVE-0-2026-5409
GCVE (VulDB): GCVE-100-360256
EUVD: 🔒
CERT Bund: WID-SEC-2026-1311 - Wireshark: Mehrere Schwachstellen

Entryinfo

Created: 04/30/2026 10:03
Updated: 05/01/2026 22:39
Changes: 04/30/2026 10:03 (65), 04/30/2026 10:20 (1), 04/30/2026 18:01 (7), 05/01/2026 22:39 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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