NetSight
IP …
medium5.3

CVE-2026-42258

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby.

Impact

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 packages

EcosystemPackageAffectedFixed in
rubygemsnet-imap>= 0.6.0, <= 0.6.30.6.4

Affected products

VendorProductAffected versions
Ruby-LangNet\
before 0.4.24
from 0.5.0 before 0.5.14
from 0.6.0 before 0.6.4

Weakness classification

CWE-77CWE-93

References