{"id":"DEBIAN-CVE-2026-42258","details":"Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol arguments passed to IMAP commands. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.","modified":"2026-09-01T16:06:42.504303993Z","published":"2026-05-09T20:16:28.623Z","upstream":["CVE-2026-42258"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-42258"}],"affected":[{"package":{"name":"ruby3.1","ecosystem":"Debian:12","purl":"pkg:deb/debian/ruby3.1?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.2-7","3.1.2-7+deb12u1","3.1.2-7+hurd.1","3.1.2-8","3.1.2-8.1~exp1","3.1.2-8.3","3.1.2-8.4","3.1.2-8.5"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42258.json"}},{"package":{"name":"ruby3.3","ecosystem":"Debian:13","purl":"pkg:deb/debian/ruby3.3?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.8-2","3.3.8-2.1","3.3.8-2.2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42258.json"}},{"package":{"name":"ruby3.3","ecosystem":"Debian:14","purl":"pkg:deb/debian/ruby3.3?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.8-2","3.3.8-2.1","3.3.8-2.2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42258.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L"}]}