CVE-2026-6528: Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
Published Apr 30, 2026
·Updated
TLS protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 allows denial of service
Affected Software
2 affected components
Wireshark Wireshark>=4.6.0<=4.6.4
Wireshark Wireshark>=4.6.0<=4.6.4
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Wiresharkto a version that resolves this vulnerability.Fixed in 4.6.5
Event History
Apr 30, 2026
CVE Published
via MITRE·05:36 AM
Data Sourced
via MITRE·05:36 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeaknessAffected Software
Dec 24, 58314
Event
via FIRST·09:40 AM
Frequently Asked Questions
1
What is the severity of CVE-2026-6528?
CVE-2026-6528 has been classified with a severity that indicates it can lead to denial of service.
2
How do I fix CVE-2026-6528?
To fix CVE-2026-6528, upgrade Wireshark to a version later than 4.6.4.
3
What versions of Wireshark are affected by CVE-2026-6528?
Wireshark versions between 4.6.0 and 4.6.4 are affected by CVE-2026-6528.
4
What type of vulnerability is CVE-2026-6528?
CVE-2026-6528 is a loop with an unreachable exit condition, leading to an infinite loop.
5
What impact does CVE-2026-6528 have on Wireshark?
CVE-2026-6528 can cause the application to become unresponsive, leading to a denial of service.