Bug 2520091 (CVE-2026-76924)

Summary: CVE-2026-76924 wireshark: Wireshark: Denial of Service via Out-of-bounds Read in Kerberos Dissector
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: 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. An out-of-bounds read vulnerability exists within the Kerberos protocol dissector. This flaw can be triggered by processing a specially crafted Kerberos packet, leading to a crash of the Wireshark application. This results in a denial of service (DoS) for the user.
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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: 2520483    
Bug Blocks:    

Description OSIDB Bzimport 2026-08-19 23:01:46 UTC
Kerberos protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service