Bug 2520081 (CVE-2026-76887)

Summary: CVE-2026-76887 wireshark: Wireshark: Denial of service via heap-based buffer overflow in dissection engine
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: kshier, rhel-process-autobot, stcannon, teagle, watson-tool-maintainers, yguenane
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in Wireshark. This heap-based buffer overflow vulnerability in the dissection engine could allow a remote attacker to cause a denial of service. Exploitation requires a user to process a specially crafted network packet, leading to a crash of the application.
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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: 2520978    
Bug Blocks:    

Description OSIDB Bzimport 2026-08-19 22:51:41 UTC
Crash in the Wireshark dissection engine in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service