CVE-2026-6524: CWE-824: Access of Uninitialized Pointer in Wireshark Foundation Wireshark
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
AI Analysis
Technical Summary
This vulnerability in Wireshark's MySQL protocol dissector allows an attacker to cause a denial of service by triggering a crash through access of an uninitialized pointer. The affected versions include 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. The CVSS 3.1 base score is 5.5, reflecting medium severity with an attack vector limited to local access, low attack complexity, no privileges required, but user interaction needed. The vulnerability does not impact confidentiality or integrity but affects availability by causing application crashes.
Potential Impact
Successful exploitation results in denial of service by crashing the Wireshark application when processing MySQL protocol data. There is no impact on confidentiality or integrity. The attack requires local access and user interaction, limiting the scope of exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should avoid processing untrusted MySQL protocol traffic with affected Wireshark versions and consider upgrading once patches become available.
CVE-2026-6524: CWE-824: Access of Uninitialized Pointer in Wireshark Foundation Wireshark
Description
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
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Wireshark's MySQL protocol dissector allows an attacker to cause a denial of service by triggering a crash through access of an uninitialized pointer. The affected versions include 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. The CVSS 3.1 base score is 5.5, reflecting medium severity with an attack vector limited to local access, low attack complexity, no privileges required, but user interaction needed. The vulnerability does not impact confidentiality or integrity but affects availability by causing application crashes.
Potential Impact
Successful exploitation results in denial of service by crashing the Wireshark application when processing MySQL protocol data. There is no impact on confidentiality or integrity. The attack requires local access and user interaction, limiting the scope of exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should avoid processing untrusted MySQL protocol traffic with affected Wireshark versions and consider upgrading once patches become available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-04-17T15:05:32.680Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f2f4e9cbff5d8610970bc5
Added to database: 4/30/2026, 6:21:29 AM
Last enriched: 4/30/2026, 6:38:02 AM
Last updated: 4/30/2026, 3:55:43 PM
Views: 4
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