Summary
Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.
Security Fix(es):
* ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments (CVE-2026-42258)
* net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS (CVE-2026-42246)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 8 | rubygem-abrt | 0:0.3.0-4.module+el8.5.0+738+032c9c02 |
| Rocky Linux · 8 | rubygem-abrt | 0:0.3.0-4.module+el8.9.0+1536+5f79634e |
| Rocky Linux · 8 | rubygem-bson | 0:4.3.0-2.module+el8.9.0+1536+5f79634e |
| Rocky Linux · 8 | rubygem-bundler | 0:1.16.1-5.module+el8.10.0+1979+815637df |
| Rocky Linux · 8 | rubygem-mongo | 0:2.5.1-2.module+el8.9.0+1536+5f79634e |
| Rocky Linux · 8 | rubygem-mysql2 | 0:0.4.10-4.module+el8.9.0+1536+5f79634e |
| Rocky Linux · 8 | rubygem-pg | 0:1.0.0-3.module+el8.9.0+1536+5f79634e |
Vulnerabilities 2
-
High 7.6
net-imap vulnerable to STARTTLS stripping via invalid response timing
Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAP#starttls to return "successfully", without starting TLS. This issu…
-
Medium 5.8
net-imap: Command Injection via unvalidated Symbol inputs
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 IMA…