CVE-2026-48487

CVE-2026-48487 (python-zeroconf) : Prior to 0.149.16, _read_character_string and _read_string in zeroconf’s incoming protocol could advance the parser past the end of the payload by using attacker-declared RDLENGTH without checking against data length, enabling unauthenticated LAN-local hosts on ...

CVE-2026-48487

Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.16, readcharacterstring and readstring in src/zeroconf/protocol/incoming.py advanced self.offset by attacker-declared RDLENGTH without checking it against self.datalen, allowing unauthenticated hosts on th...