Wireshark up to 4.4.14/4.6.4 MySQL Protocol Dissector uninitialized pointer

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

Summaryinfo

A vulnerability identified as problematic has been detected in Wireshark up to 4.4.14/4.6.4. Affected is an unknown function of the component MySQL Protocol Dissector. This manipulation causes uninitialized pointer. This vulnerability is handled as CVE-2026-6524. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Wireshark up to 4.4.14/4.6.4. Affected by this vulnerability is some unknown functionality of the component MySQL Protocol Dissector. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. The CWE definition for the vulnerability is CWE-824. The product accesses or uses a pointer that has not been initialized. As an impact it is known to affect availability. The summary by CVE is:

MySQL 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 Alexandre De Oliveira. It is possible to read the advisory at wireshark.org. This vulnerability is known as CVE-2026-6524 since 04/17/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 327387 (Amazon Linux 2023 : wireshark-cli, wireshark-devel (ALAS2023-2026-1904)), 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 (327387) and CERT Bund (WID-SEC-2026-1311). Be aware that VulDB is the high quality source for vulnerability data.

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: Uninitialized pointer
CWE: CWE-824 / CWE-908
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: 327387
Nessus Name: Amazon Linux 2023 : wireshark-cli, wireshark-devel (ALAS2023-2026-1904)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Wireshark 4.4.15/4.6.5

Timelineinfo

04/17/2026 CVE reserved
04/30/2026 +13 days Advisory disclosed
04/30/2026 +0 days VulDB entry created
07/18/2026 +79 days VulDB entry last update

Sourcesinfo

Product: wireshark.org

Advisory: wireshark.org
Researcher: Alexandre De Oliveira
Status: Confirmed

CVE: CVE-2026-6524 (🔒)
GCVE (CVE): GCVE-0-2026-6524
GCVE (VulDB): GCVE-100-360271
CERT Bund: WID-SEC-2026-1311 - Wireshark: Mehrere Schwachstellen

Entryinfo

Created: 04/30/2026 12:22
Updated: 07/18/2026 10:13
Changes: 04/30/2026 12:22 (64), 04/30/2026 21:48 (7), 07/18/2026 10:13 (2)
Complete: 🔍
Cache ID: 216::103

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

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