{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-42258","sourceIdentifier":"security-advisories@github.com","published":"2026-05-09T20:16:28.623","lastModified":"2026-08-24T13:18:41.830","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Net::IMAP implementa la funcionalidad de cliente del Protocolo de Acceso a Mensajes de Internet (IMAP) en Ruby. Antes de las versiones 0.4.24, 0.5.14 y 0.6.4, los argumentos de tipo símbolo a los comandos son vulnerables a una inyección CRLF / inyección de comandos IMAP a través de argumentos de tipo símbolo pasados a comandos IMAP. Este problema ha sido parcheado en las versiones 0.4.24, 0.5.14 y 0.6.4."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"ruby","product":"net-imap","versions":[{"version":"\u003c 0.4.24","status":"affected"},{"version":"\u003e= 0.5.0, \u003c 0.5.14","status":"affected"},{"version":"\u003e= 0.6.0, \u003c 0.6.4","status":"affected"}]}]},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","affectedData":[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"ruby4.0","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"versions":[{"version":"0:4.0.3-35.el10_2","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 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