Bug 2464042 (CVE-2026-6533)

Summary: CVE-2026-6533 Wireshark: Wireshark: Denial of service via LZ77 decompression 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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Doc Text:
A flaw was found in Wireshark. A remote attacker could exploit a dissection engine LZ77 decompression crash by crafting a malicious packet. This vulnerability leads to a Denial of Service (DoS) condition, making the application unavailable.
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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: 2464913    
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Description OSIDB Bzimport 2026-04-30 07:03:15 UTC
Dissection engine LZ77 decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service