CVE-2026-6524: Access of Uninitialized Pointer in Wireshark
Published Apr 30, 2026
·Updated
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
Affected Software
3 affected components
Wireshark Wireshark>=4.6.0<=4.6.4, >=4.4.0<=4.4.14
Wireshark Wireshark>=4.4.0<=4.4.14
Wireshark Wireshark>=4.6.0<=4.6.4
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 4.6.5
Event History
Apr 30, 2026
CVE Published
via MITRE·05:34 AM
Data Sourced
via MITRE·05:34 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeaknessAffected Software
Dec 24, 58314
Event
via FIRST·06:08 AM
Frequently Asked Questions
1
What is the severity of CVE-2026-6524?
CVE-2026-6524 is classified as a denial of service vulnerability.
2
How do I fix CVE-2026-6524?
To fix CVE-2026-6524, upgrade Wireshark to version 4.6.5 or later.
3
What versions of Wireshark are affected by CVE-2026-6524?
Affected versions include Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14.
4
What is the impact of CVE-2026-6524?
The impact of CVE-2026-6524 is a crash of the Wireshark application, leading to denial of service.
5
Is CVE-2026-6524 exploitable remotely?
Yes, CVE-2026-6524 can be exploited remotely when processing malicious MySQL protocol packets.