CVE-2026-42792

Improper Handling of Exceptional Conditions vulnerability in Erlang OTP erts epmd allows an unauthenticated remote attacker to permanently terminate the Erlang Port Mapper Daemon epmd via connection slot exhaustion. The doaccept function in erts/epmd/src/epmdsrv.c calls epmdcleanupexit when accep...

EEF-CVE-2026-42792 epmd permanent DoS via EMFILE on accept(2) in erts

Summary Improper Handling of Exceptional Conditions vulnerability in Erlang OTP erts epmd allows an unauthenticated remote attacker to permanently terminate the Erlang Port Mapper Daemon epmd via connection slot exhaustion. The do\accept function in erts/epmd/src/epmd\srv.c calls epmd\cleanup\exi...

CVE-2026-42792 epmd permanent DoS via EMFILE on accept(2) in erts

Improper Handling of Exceptional Conditions vulnerability in Erlang OTP erts epmd allows an unauthenticated remote attacker to permanently terminate the Erlang Port Mapper Daemon epmd via connection slot exhaustion. The doaccept function in erts/epmd/src/epmdsrv.c calls epmdcleanupexit when accep...

CVE-2026-42792

CVE-2026-42792 affects Erlang OTP’s epmd. The issue arises in erts/epmd/src/epmd_srv.c: when accept(2) returns EMFILE or ENFILE, epmd_cleanup_exit() is called instead of treating the condition as recoverable. An attacker can exhaust epmd’s file descriptor slots by establishing many TCP connection...