Bug 2464035 (CVE-2026-6535)

Summary: CVE-2026-6535 wireshark: Wireshark: Denial of service via zlib 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
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in Wireshark's dissection engine. A remote attacker could exploit this vulnerability by sending a specially crafted packet. This could trigger a zlib decompression crash, leading to a denial of service and making the application unresponsive or causing it to terminate unexpectedly.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2464906    
Bug Blocks:    

Description OSIDB Bzimport 2026-04-30 07:02:47 UTC
Dissection engine zlib decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service