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CVE-2026-42258

MEDIUM CVSS: 5.3 Published: 2026-05-09 Modified: 2026-08-05

Description

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.

Affected Platforms

Ruby-Lang Net\

Weakness Type

CWE-77, CWE-93, CWE-93

References