Bug 2464043 (CVE-2026-6523)

Summary: CVE-2026-6523 wireshark: Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the GNW protocol dissector in Wireshark. This issue occurs when malformed packets are decoded from a pcap file or the network, causing an infinite loop that leads to an excessive consumption of CPU resources, resulting in a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2466570    
Bug Blocks:    

Description OSIDB Bzimport 2026-04-30 07:03:19 UTC
GNW 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