CVE-2026-76886

Wireshark's C12.22 protocol dissector contains a heap-based buffer overflow affecting versions 4.6.0–4.6.7 and 4.4.0–4.4.18. Crafted C12.22 packets can trigger a crash, enabling denial of service with CVSS 8.1 HIGH (network-exploitable, no authentication). No in-the-wild exploitation is reported....