CVE-2026-5299

Description

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

References

• https://gitlab.com/wireshark/wireshark/-/issues/21077
• https://www.wireshark.org/security/wnpa-sec-2026-12.html