Bug 2464044 (CVE-2026-6538)

Summary: CVE-2026-6538 Wireshark: Wireshark: Denial of Service via BEEP protocol dissector crash
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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Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in Wireshark. A remote attacker could exploit a crash in the BEEP (Blocks Extensible Exchange Protocol) dissector by crafting a malicious BEEP packet. This vulnerability leads to a Denial of Service (DoS), causing Wireshark to become unresponsive.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2464914    
Bug Blocks:    

Description OSIDB Bzimport 2026-04-30 07:03:24 UTC
BEEP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service