{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"pypy3","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NQF0H5NZR8GQ5THJRT8RJZ","modified_at":"2026-10-01T03:02:13.500297629Z","published_at":"2026-01-23T17:16:12.977Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-1299","https://security-tracker.debian.org/tracker/CVE-2026-1299"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-1299","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-1299"}],"summary":"The email module, specifically the \"BytesGenerator\" class, didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized."}