CVE-2026-5403 | Wireshark up to 4.4.14/4.6.4 SBC Codec heap-based overflow (ID 21103 / WID-SEC-2026-1311)

A vulnerability was found in Wireshark up to 4.4.14/4.6.4. It has been declared as critical. This issue affects some unknown processing of the component SBC Codec. The manipulation results in heap-based buffer overflow. This vulnerability was named CVE-2026-5403. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.