{"action":"Upgrade erlang to 1:27.3.4.1+dfsg-1+deb13u3 or later.","affected":[{"fixed":"1:27.3.4.1+dfsg-1+deb13u3","introduced":"0"}],"component":"erlang","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:27.3.4.1+dfsg-1+deb13u3"],"id":"tcs_01M5NT0V0BENCW5V1RM8802HR0","modified_at":"2026-10-26T12:02:22.556084576Z","published_at":"2026-07-02T17:17:02.910Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-55950","https://security-tracker.debian.org/tracker/CVE-2026-55950"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-55950#Debian:13/erlang","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-55950"}],"summary":"Time-of-check Time-of-use (TOCTOU) race condition vulnerability in Erlang/OTP ssl (dtls_packet_demux module) allows an unauthenticated remote attacker to crash all active DTLS sessions on a listener."}