Bug 2520079 (CVE-2026-76886)

Summary: CVE-2026-76886 wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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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A flaw was found in Wireshark. An unauthenticated remote attacker could exploit a vulnerability in the C12.22 protocol dissector by sending specially crafted network traffic. This could lead to a crash of the application, resulting in a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-08-19 22:51:39 UTC
C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service