Wireshark 4.6.0-4.6.4 & 4.4.0-4.4.14 ICMPv6 PvD Dissector Crash (DoS)
CVE-2026-5299 Published on April 30, 2026
Uncontrolled Recursion in Wireshark
ICMPv6 PvD protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Vulnerability Analysis
CVE-2026-5299 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2026-5299. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Stack Exhaustion Vulnerability?
The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack.
CVE-2026-5299 has been classified to as a Stack Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-5299
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Affected Versions
Wireshark Foundation Wireshark:- Version 4.6.0 and below 4.6.5 is affected.
- Version 4.4.0 and below 4.4.15 is affected.