{"action":"Upgrade aiosmtplib to 5.1.2-1 or later.","affected":[{"fixed":"5.1.2-1","introduced":"0"}],"component":"aiosmtplib","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.1.2-1"],"id":"tcs_01M5NSXJKH86JWZ8XP6VYPD01W","modified_at":"2026-10-23T17:47:32.995035658Z","published_at":"2026-08-18T18:18:20.513Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-53533","https://security-tracker.debian.org/tracker/CVE-2026-53533"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-53533#Debian:14/aiosmtplib","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-53533"}],"summary":"aiosmtplib is an asynchronous SMTP client for use with asyncio. Prior to 5.1.1, SMTP.mail(), SMTP.rcpt(), SMTP.vrfy(), and SMTP.expn() send caller-supplied addresses without rejecting embedded CR or L"}