{"action":"Upgrade ruby-mail to 2.9.1-1 or later.","affected":[{"fixed":"2.9.1-1","introduced":"0"}],"component":"ruby-mail","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.9.1-1"],"id":"tcs_01M5NTA004X6D9T5TJGNDE1W5H","modified_at":"2026-10-01T03:03:29.473124948Z","published_at":"2026-09-01T21:18:35.287Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-63435","https://security-tracker.debian.org/tracker/CVE-2026-63435"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-63435#Debian:14/ruby-mail","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-63435"}],"summary":"Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.q_value_decode and Mail::Utilities.b_value_decode used a single String#m"}