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