p PatchFirst

ALPINE-CVE-2026-42257

ALPINE-CVE-2026-42257

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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, several Net::IMAP commands accept a raw string argument that is sent to the server without validation or escaping. If this string is derived from user-controlled input, it may contain contain CRLF sequences, which an attacker can use to inject arbitrary IMAP commands. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.

CVSS 9.8 · Critical · Fix available

Published
Updated

Stack: system

Affected products and versions

  • ruby-net-imap Alpine:v3.21

    Affected ranges
    • ECOSYSTEM: < 0.4.25-r0

    Update to 0.4.25-r0

Original sources

Check your server →