CVE-2026-6522: Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

Published Apr 30, 2026
·
Updated

RPKI-Router protocol dissector infinite loop 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.

  1. 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·05:33 AM
Data Sourced
via MITRE·05:33 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeaknessAffected Software
Dec 24, 58314
Event
via FIRST·03:09 AM

Frequently Asked Questions

1

What is the severity of CVE-2026-6522?

CVE-2026-6522 has a severity rating that indicates it can lead to a denial of service due to an infinite loop in the Wireshark RPKI-Router protocol dissector.

2

What versions of Wireshark are affected by CVE-2026-6522?

CVE-2026-6522 affects Wireshark versions 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14.

3

How do I fix CVE-2026-6522?

To fix CVE-2026-6522, upgrade to a patched version of Wireshark that is beyond the affected versions.

4

What type of attack does CVE-2026-6522 enable?

CVE-2026-6522 enables a denial of service attack by causing an infinite loop during protocol dissection.

5

Is there a workaround for CVE-2026-6522?

There is no official workaround for CVE-2026-6522; upgrading to a secure version is the recommended solution.

Contact

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