{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"3.0.0","last_affected":"10.0.9"}],"component":"nodemailer","cve_ids":[],"ecosystem":"npm","exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-wxxx-r42m-9rp8","id":"tcs_01M5JMCM851NRC5R753GG1NX4W","modified_at":"2026-10-22T16:15:48.350822666Z","published_at":"2026-10-15T00:31:19Z","references":["https://osv.dev/vulnerability/GHSA-wxxx-r42m-9rp8","https://github.com/nodemailer/nodemailer/security/advisories/GHSA-39m8-27wv-hr27","https://nvd.nist.gov/vuln/detail/CVE-2026-110871","https://www.vulncheck.com/advisories/nodemailer-3.0.0-before-10.0.10-quadratic-dkim-header-unfolding-denial-of-service"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-wxxx-r42m-9rp8","url":"https://osv.dev/vulnerability/GHSA-wxxx-r42m-9rp8"}],"summary":"Duplicate Advisory: Nodemailer: Quadratic (O(n^2)) DKIM header unfolding lets a large folded header cause remote denial of service during signing"}